2016557556502 has 8 divisors (see below), whose sum is σ = 3025030517712. Its totient is φ = 1008214050600.

The previous prime is 2016557556487. The next prime is 2016557556511. The reversal of 2016557556502 is 2056557556102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 32324874 + ... + 32387197.

It is an arithmetic number, because the mean of its divisors is an integer number (378128814714).

Almost surely, 2^{2016557556502} is an apocalyptic number.

2016557556502 is a deficient number, since it is larger than the sum of its proper divisors (1008472961210).

2016557556502 is a wasteful number, since it uses less digits than its factorization.

2016557556502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64727654.

The product of its (nonzero) digits is 3150000, while the sum is 49.

The spelling of 2016557556502 in words is "two trillion, sixteen billion, five hundred fifty-seven million, five hundred fifty-six thousand, five hundred two".