4972657541656 has 32 divisors (see below), whose sum is σ = 10668673752480. Its totient is φ = 2128543142400.

The previous prime is 4972657541641. The next prime is 4972657541671. The reversal of 4972657541656 is 6561457562794.

It is an interprime number because it is at equal distance from previous prime (4972657541641) and next prime (4972657541671).

It is a super-3 number, since 3×4972657541656³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4972657541591 and 4972657541600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54032865 + ... + 54124816.

It is an arithmetic number, because the mean of its divisors is an integer number (333396054765).

Almost surely, 2^{4972657541656} is an apocalyptic number.

It is an amenable number.

4972657541656 is an abundant number, since it is smaller than the sum of its proper divisors (5696016210824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4972657541656 is a wasteful number, since it uses less digits than its factorization.

4972657541656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108158515 (or 108158511 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 67.

The spelling of 4972657541656 in words is "four trillion, nine hundred seventy-two billion, six hundred fifty-seven million, five hundred forty-one thousand, six hundred fifty-six".