657157355 has 16 divisors (see below), whose sum is σ = 836093664. Its totient is φ = 494138880.

The previous prime is 657157343. The next prime is 657157363. The reversal of 657157355 is 553751756.

It is not a de Polignac number, because 657157355 - 2⁴ = 657157339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64169 + ... + 73701.

It is an arithmetic number, because the mean of its divisors is an integer number (52255854).

Almost surely, 2^657157355 is an apocalyptic number.

657157355 is a deficient number, since it is larger than the sum of its proper divisors (178936309).

657157355 is a wasteful number, since it uses less digits than its factorization.

657157355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366.

The product of its digits is 551250, while the sum is 44.

The square root of 657157355 is about 25635.0805538036. The cubic root of 657157355 is about 869.4069834648.

The spelling of 657157355 in words is "six hundred fifty-seven million, one hundred fifty-seven thousand, three hundred fifty-five".