1161037476 has 63 divisors (see below), whose sum is σ = 3051165243. Its totient is φ = 386399160.

The previous prime is 1161037469. The next prime is 1161037477. The reversal of 1161037476 is 6747301611.

The square root of 1161037476 is 34074.

It is a perfect power (a square), and thus also a powerful number.

1161037476 is a `hidden beast` number, since 1 + 1 + 610 + 37 + 4 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1161037476.

It is not an unprimeable number, because it can be changed into a prime (1161037477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1839681 + ... + 1840311.

Almost surely, 2^1161037476 is an apocalyptic number.

1161037476 is the 34074-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161037476

1161037476 is an abundant number, since it is smaller than the sum of its proper divisors (1890127767).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161037476 is an frugal number, since it uses more digits than its factorization.

1161037476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The cubic root of 1161037476 is about 1051.0307266374.

Multiplying 1161037476 by its sum of digits (36), we get a square (41797349136 = 204444²).

1161037476 divided by its sum of digits (36) gives a square (32251041 = 5679²).

The spelling of 1161037476 in words is "one billion, one hundred sixty-one million, thirty-seven thousand, four hundred seventy-six".