16617221011370 has 16 divisors (see below), whose sum is σ = 34183997509248. Its totient is φ = 5697332918160.

The previous prime is 16617221011337. The next prime is 16617221011411. The reversal of 16617221011370 is 7311012271661.

It is a happy number.

It is a super-2 number, since 2×16617221011370² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118694435726 + ... + 118694435865.

It is an arithmetic number, because the mean of its divisors is an integer number (2136499844328).

Almost surely, 2^{16617221011370} is an apocalyptic number.

16617221011370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16617221011370 is an abundant number, since it is smaller than the sum of its proper divisors (17566776497878).

16617221011370 is a wasteful number, since it uses less digits than its factorization.

16617221011370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237388871605.

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 16617221011370 in words is "sixteen trillion, six hundred seventeen billion, two hundred twenty-one million, eleven thousand, three hundred seventy".