255700156669 has 4 divisors (see below), whose sum is σ = 255715322560. Its totient is φ = 255684990780.

The previous prime is 255700156627. The next prime is 255700156697. The reversal of 255700156669 is 966651007552.

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 255700156669 - 2⁷ = 255700156541 is a prime.

It is a super-2 number, since 2×255700156669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255700156769) 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, 7557627 + ... + 7591384.

It is an arithmetic number, because the mean of its divisors is an integer number (63928830640).

Almost surely, 2^255700156669 is an apocalyptic number.

It is an amenable number.

255700156669 is a deficient number, since it is larger than the sum of its proper divisors (15165891).

255700156669 is a wasteful number, since it uses less digits than its factorization.

255700156669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15165890.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 255700156669 in words is "two hundred fifty-five billion, seven hundred million, one hundred fifty-six thousand, six hundred sixty-nine".