2656770540057 has 28 divisors (see below), whose sum is σ = 3986134415104. Its totient is φ = 1769934988440.

The previous prime is 2656770540031. The next prime is 2656770540079. The reversal of 2656770540057 is 7500450776562.

2656770540057 is a `hidden beast` number, since 2 + 6 + 567 + 70 + 5 + 4 + 0 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 2656770540057 - 2¹² = 2656770535961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2656770539985 and 2656770540012.

It is not an unprimeable number, because it can be changed into a prime (2656770541057) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 243169 + ... + 2317902.

Almost surely, 2^{2656770540057} is an apocalyptic number.

2656770540057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2656770540057 is a deficient number, since it is larger than the sum of its proper divisors (1329363875047).

2656770540057 is an equidigital number, since it uses as much as digits as its factorization.

2656770540057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562512 (or 2562497 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 54.

The spelling of 2656770540057 in words is "two trillion, six hundred fifty-six billion, seven hundred seventy million, five hundred forty thousand, fifty-seven".