81023162 has 8 divisors (see below), whose sum is σ = 132583392. Its totient is φ = 36828700.

The previous prime is 81023149. The next prime is 81023171. The reversal of 81023162 is 26132018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841414 + ... + 1841457.

It is an arithmetic number, because the mean of its divisors is an integer number (16572924).

Almost surely, 2^81023162 is an apocalyptic number.

81023162 is a deficient number, since it is larger than the sum of its proper divisors (51560230).

81023162 is a wasteful number, since it uses less digits than its factorization.

81023162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682884.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 81023162 is about 9001.2866858022. The cubic root of 81023162 is about 432.7161083774.

The spelling of 81023162 in words is "eighty-one million, twenty-three thousand, one hundred sixty-two".