82151192 has 16 divisors (see below), whose sum is σ = 155016960. Its totient is φ = 40813344.

The previous prime is 82151177. The next prime is 82151197. The reversal of 82151192 is 29115128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82151197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31448 + ... + 33959.

It is an arithmetic number, because the mean of its divisors is an integer number (9688560).

Almost surely, 2^82151192 is an apocalyptic number.

It is an amenable number.

82151192 is a deficient number, since it is larger than the sum of its proper divisors (72865768).

82151192 is a wasteful number, since it uses less digits than its factorization.

82151192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65570 (or 65566 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 82151192 is about 9063.7294752216. The cubic root of 82151192 is about 434.7149971769.

The spelling of 82151192 in words is "eighty-two million, one hundred fifty-one thousand, one hundred ninety-two".