1163972910 has 64 divisors (see below), whose sum is σ = 2869800192. Its totient is φ = 302032896.

The previous prime is 1163972893. The next prime is 1163972917. The reversal of 1163972910 is 192793611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163972917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163342 + ... + 170318.

It is an arithmetic number, because the mean of its divisors is an integer number (44840628).

Almost surely, 2^1163972910 is an apocalyptic number.

1163972910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163972910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434900096).

1163972910 is an abundant number, since it is smaller than the sum of its proper divisors (1705827282).

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

1163972910 is a wasteful number, since it uses less digits than its factorization.

1163972910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1163972910 is about 34117.0472051730. The cubic root of 1163972910 is about 1051.9157497093.

The spelling of 1163972910 in words is "one billion, one hundred sixty-three million, nine hundred seventy-two thousand, nine hundred ten".