620761766000 has 160 divisors (see below), whose sum is σ = 1658398105728. Its totient is φ = 223537459200.

The previous prime is 620761765993. The next prime is 620761766041. The reversal of 620761766000 is 667167026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385094 + ... + 1178906.

Almost surely, 2^620761766000 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 620761766000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829199052864).

620761766000 is an abundant number, since it is smaller than the sum of its proper divisors (1037636339728).

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

620761766000 is a wasteful number, since it uses less digits than its factorization.

620761766000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793876 (or 793860 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 620761766000 in words is "six hundred twenty billion, seven hundred sixty-one million, seven hundred sixty-six thousand".