16161516610510 has 64 divisors (see below), whose sum is σ = 30503206737792. Its totient is φ = 6158534893056.

The previous prime is 16161516610501. The next prime is 16161516610513. The reversal of 16161516610510 is 1501661516161.

It is a super-3 number, since 3×16161516610510³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161516610513) 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, 8703924 + ... + 10396216.

It is an arithmetic number, because the mean of its divisors is an integer number (476612605278).

Almost surely, 2^{16161516610510} is an apocalyptic number.

16161516610510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161516610510 is a deficient number, since it is larger than the sum of its proper divisors (14341690127282).

16161516610510 is a wasteful number, since it uses less digits than its factorization.

16161516610510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692877.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 16161516610510 in words is "sixteen trillion, one hundred sixty-one billion, five hundred sixteen million, six hundred ten thousand, five hundred ten".