655001605057 has 4 divisors (see below), whose sum is σ = 659713846960. Its totient is φ = 650289363156.

The previous prime is 655001605051. The next prime is 655001605073. The reversal of 655001605057 is 750506100556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 655001605057 - 2²⁷ = 654867387329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655001605051) 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, 2356120743 + ... + 2356121020.

It is an arithmetic number, because the mean of its divisors is an integer number (164928461740).

Almost surely, 2^655001605057 is an apocalyptic number.

It is an amenable number.

655001605057 is a deficient number, since it is larger than the sum of its proper divisors (4712241903).

655001605057 is a wasteful number, since it uses less digits than its factorization.

655001605057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712241902.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 655001605057 in words is "six hundred fifty-five billion, one million, six hundred five thousand, fifty-seven".