16620103345615 has 32 divisors (see below), whose sum is σ = 24865650855936. Its totient is φ = 10360479951360.

The previous prime is 16620103345613. The next prime is 16620103345627. The reversal of 16620103345615 is 51654330102661.

It is not a de Polignac number, because 16620103345615 - 2¹ = 16620103345613 is a prime.

It is a super-2 number, since 2×16620103345615² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16620103345613) 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, 59718274 + ... + 59995936.

It is an arithmetic number, because the mean of its divisors is an integer number (777051589248).

Almost surely, 2^{16620103345615} is an apocalyptic number.

16620103345615 is a deficient number, since it is larger than the sum of its proper divisors (8245547510321).

16620103345615 is a wasteful number, since it uses less digits than its factorization.

16620103345615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433159.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 16620103345615 in words is "sixteen trillion, six hundred twenty billion, one hundred three million, three hundred forty-five thousand, six hundred fifteen".