620152766156 has 96 divisors (see below), whose sum is σ = 1372667046912. Its totient is φ = 238121994240.

The previous prime is 620152766153. The next prime is 620152766173. The reversal of 620152766156 is 651667251026.

It is a self number, because there is not a number n which added to its sum of digits gives 620152766156.

It is not an unprimeable number, because it can be changed into a prime (620152766153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30725540 + ... + 30745716.

It is an arithmetic number, because the mean of its divisors is an integer number (14298615072).

Almost surely, 2^620152766156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620152766156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686333523456).

620152766156 is an abundant number, since it is smaller than the sum of its proper divisors (752514280756).

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

620152766156 is a wasteful number, since it uses less digits than its factorization.

620152766156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21639 (or 21637 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 620152766156 in words is "six hundred twenty billion, one hundred fifty-two million, seven hundred sixty-six thousand, one hundred fifty-six".