157980718 has 16 divisors (see below), whose sum is σ = 271162080. Its totient is φ = 67621536.

The previous prime is 157980689. The next prime is 157980733. The reversal of 157980718 is 817089751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5328 + ... + 18556.

It is an arithmetic number, because the mean of its divisors is an integer number (16947630).

Almost surely, 2^157980718 is an apocalyptic number.

157980718 is a deficient number, since it is larger than the sum of its proper divisors (113181362).

157980718 is a wasteful number, since it uses less digits than its factorization.

157980718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 157980718 is about 12569.0380697967. The cubic root of 157980718 is about 540.5900249484.

The spelling of 157980718 in words is "one hundred fifty-seven million, nine hundred eighty thousand, seven hundred eighteen".