620216310456 has 48 divisors (see below), whose sum is σ = 1683631928160. Its totient is φ = 206261303040.

The previous prime is 620216310391. The next prime is 620216310499. The reversal of 620216310456 is 654013612026.

620216310456 is a `hidden beast` number, since 620 + 2 + 16 + 3 + 10 + 4 + 5 + 6 = 666.

620216310456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×620216310456³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 620216310456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9915840 + ... + 9978191.

It is an arithmetic number, because the mean of its divisors is an integer number (35075665170).

Almost surely, 2^620216310456 is an apocalyptic number.

It is an amenable number.

620216310456 is an abundant number, since it is smaller than the sum of its proper divisors (1063415617704).

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

620216310456 is a wasteful number, since it uses less digits than its factorization.

620216310456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19894476 (or 19894469 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 620216310456 in words is "six hundred twenty billion, two hundred sixteen million, three hundred ten thousand, four hundred fifty-six".