16516145914620 has 48 divisors (see below), whose sum is σ = 50449318432128. Its totient is φ = 4003914160960.

The previous prime is 16516145914607. The next prime is 16516145914649. The reversal of 16516145914620 is 2641954161561.

16516145914620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12512231094 + ... + 12512232413.

It is an arithmetic number, because the mean of its divisors is an integer number (1051027467336).

Almost surely, 2^{16516145914620} is an apocalyptic number.

16516145914620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16516145914620 is an abundant number, since it is smaller than the sum of its proper divisors (33933172517508).

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

16516145914620 is a wasteful number, since it uses less digits than its factorization.

16516145914620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024463530 (or 25024463528 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 16516145914620 in words is "sixteen trillion, five hundred sixteen billion, one hundred forty-five million, nine hundred fourteen thousand, six hundred twenty".