621413571016 has 32 divisors (see below), whose sum is σ = 1331630605440. Its totient is φ = 266314082688.

The previous prime is 621413570957. The next prime is 621413571019. The reversal of 621413571016 is 610175314126.

It is not an unprimeable number, because it can be changed into a prime (621413571019) by changing a digit.

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, 3115836 + ... + 3309268.

It is an arithmetic number, because the mean of its divisors is an integer number (41613456420).

Almost surely, 2^621413571016 is an apocalyptic number.

It is an amenable number.

621413571016 is an abundant number, since it is smaller than the sum of its proper divisors (710217034424).

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

621413571016 is a wasteful number, since it uses less digits than its factorization.

621413571016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250813 (or 250809 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 621413571016 in words is "six hundred twenty-one billion, four hundred thirteen million, five hundred seventy-one thousand, sixteen".