1162081644 has 24 divisors (see below), whose sum is σ = 2784809328. Its totient is φ = 376891200.

The previous prime is 1162081639. The next prime is 1162081651. The reversal of 1162081644 is 4461802611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308207 + ... + 1309094.

It is an arithmetic number, because the mean of its divisors is an integer number (116033722).

Almost surely, 2^1162081644 is an apocalyptic number.

It is an amenable number.

1162081644 is an abundant number, since it is smaller than the sum of its proper divisors (1622727684).

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

1162081644 is a wasteful number, since it uses less digits than its factorization.

1162081644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617345 (or 2617343 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1162081644 is about 34089.3186203538. The cubic root of 1162081644 is about 1051.3457103895.

The spelling of 1162081644 in words is "one billion, one hundred sixty-two million, eighty-one thousand, six hundred forty-four".