1617420002056 has 16 divisors (see below), whose sum is σ = 3130490327040. Its totient is φ = 782622581520.

The previous prime is 1617420002017. The next prime is 1617420002113. The reversal of 1617420002056 is 6502000247161.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260927176 + ... + 3260927671.

It is an arithmetic number, because the mean of its divisors is an integer number (195655645440).

Almost surely, 2^{1617420002056} is an apocalyptic number.

It is an amenable number.

1617420002056 is a deficient number, since it is larger than the sum of its proper divisors (1513070324984).

1617420002056 is a wasteful number, since it uses less digits than its factorization.

1617420002056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521854884 (or 6521854880 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 1617420002056 in words is "one trillion, six hundred seventeen billion, four hundred twenty million, two thousand, fifty-six".