157966005 has 8 divisors (see below), whose sum is σ = 252745632. Its totient is φ = 84248528.

The previous prime is 157965971. The next prime is 157966007. The reversal of 157966005 is 500669751.

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

It is a cyclic number.

It is not a de Polignac number, because 157966005 - 2⁸ = 157965749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157966007) 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, 5265519 + ... + 5265548.

It is an arithmetic number, because the mean of its divisors is an integer number (31593204).

Almost surely, 2^157966005 is an apocalyptic number.

157966005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157966005 is a deficient number, since it is larger than the sum of its proper divisors (94779627).

157966005 is a wasteful number, since it uses less digits than its factorization.

157966005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531075.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 157966005 is about 12568.4527687381. The cubic root of 157966005 is about 540.5732424194.

The spelling of 157966005 in words is "one hundred fifty-seven million, nine hundred sixty-six thousand, five".