620616654000 has 2240 divisors, whose sum is σ = 2816246534400. Its totient is φ = 131681894400.

The previous prime is 620616653971. The next prime is 620616654011. The reversal of 620616654000 is 456616026.

It is a happy number.

It is a super-3 number, since 3×620616654000³ (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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 8501597964 + ... + 8501598036.

Almost surely, 2^620616654000 is an apocalyptic number.

620616654000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620616654000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408123267200).

620616654000 is an abundant number, since it is smaller than the sum of its proper divisors (2195629880400).

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

620616654000 is an equidigital number, since it uses as much as digits as its factorization.

620616654000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 107 counting only the distinct ones).

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

The spelling of 620616654000 in words is "six hundred twenty billion, six hundred sixteen million, six hundred fifty-four thousand".