16161155650016 has 24 divisors (see below), whose sum is σ = 34264757893464. Its totient is φ = 7458994915200.

The previous prime is 16161155649931. The next prime is 16161155650027. The reversal of 16161155650016 is 61005655116161.

It is a super-2 number, since 2×16161155650016² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19424465510 + ... + 19424466341.

It is an arithmetic number, because the mean of its divisors is an integer number (1427698245561).

Almost surely, 2^{16161155650016} is an apocalyptic number.

16161155650016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16161155650016 is an abundant number, since it is smaller than the sum of its proper divisors (18103602243448).

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

16161155650016 is a wasteful number, since it uses less digits than its factorization.

16161155650016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38848931874 (or 38848931866 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 16161155650016 in words is "sixteen trillion, one hundred sixty-one billion, one hundred fifty-five million, six hundred fifty thousand, sixteen".