157665016 has 8 divisors (see below), whose sum is σ = 295621920. Its totient is φ = 78832504.

The previous prime is 157665007. The next prime is 157665019. The reversal of 157665016 is 610566751.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157665019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9854056 + ... + 9854071.

It is an arithmetic number, because the mean of its divisors is an integer number (36952740).

Almost surely, 2^157665016 is an apocalyptic number.

It is an amenable number.

157665016 is a deficient number, since it is larger than the sum of its proper divisors (137956904).

157665016 is a wasteful number, since it uses less digits than its factorization.

157665016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19708133 (or 19708129 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 157665016 is about 12556.4730716870. The cubic root of 157665016 is about 540.2296873830.

The spelling of 157665016 in words is "one hundred fifty-seven million, six hundred sixty-five thousand, sixteen".