1162641536 has 64 divisors (see below), whose sum is σ = 2762225280. Its totient is φ = 476602368.

The previous prime is 1162641533. The next prime is 1162641547. The reversal of 1162641536 is 6351462611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1162641496 and 1162641505.

It is not an unprimeable number, because it can be changed into a prime (1162641533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7601 + ... + 48816.

It is an arithmetic number, because the mean of its divisors is an integer number (43159770).

Almost surely, 2^1162641536 is an apocalyptic number.

1162641536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1162641536 is an abundant number, since it is smaller than the sum of its proper divisors (1599583744).

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

1162641536 is an equidigital number, since it uses as much as digits as its factorization.

1162641536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56461 (or 56449 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 1162641536 is about 34097.5297638993. The cubic root of 1162641536 is about 1051.5145297219.

The spelling of 1162641536 in words is "one billion, one hundred sixty-two million, six hundred forty-one thousand, five hundred thirty-six".