615161057 has 16 divisors (see below), whose sum is σ = 714319872. Its totient is φ = 518873040.

The previous prime is 615161047. The next prime is 615161069. The reversal of 615161057 is 750161516.

It is not a de Polignac number, because 615161057 - 2²² = 610966753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (615161017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155498 + ... + 159404.

It is an arithmetic number, because the mean of its divisors is an integer number (44644992).

Almost surely, 2^615161057 is an apocalyptic number.

It is an amenable number.

615161057 is a deficient number, since it is larger than the sum of its proper divisors (99158815).

615161057 is a wasteful number, since it uses less digits than its factorization.

615161057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 615161057 is about 24802.4405452367. The cubic root of 615161057 is about 850.4777277602.

The spelling of 615161057 in words is "six hundred fifteen million, one hundred sixty-one thousand, fifty-seven".