157210670 has 8 divisors (see below), whose sum is σ = 282979224. Its totient is φ = 62884264.

The previous prime is 157210657. The next prime is 157210673. The reversal of 157210670 is 76012751.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157210673) 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, 7860524 + ... + 7860543.

It is an arithmetic number, because the mean of its divisors is an integer number (35372403).

Almost surely, 2^157210670 is an apocalyptic number.

157210670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157210670 is a deficient number, since it is larger than the sum of its proper divisors (125768554).

157210670 is a wasteful number, since it uses less digits than its factorization.

157210670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721074.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 157210670 is about 12538.3679161205. The cubic root of 157210670 is about 539.7102583733.

The spelling of 157210670 in words is "one hundred fifty-seven million, two hundred ten thousand, six hundred seventy".