16100194451 has 32 divisors (see below), whose sum is σ = 18341406720. Its totient is φ = 13998880000.

The previous prime is 16100194427. The next prime is 16100194477. The reversal of 16100194451 is 15449100161.

It is not a de Polignac number, because 16100194451 - 2¹⁰ = 16100193427 is a prime.

It is a super-2 number, since 2×16100194451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16100194351) 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, 18655646 + ... + 18656508.

It is an arithmetic number, because the mean of its divisors is an integer number (573168960).

Almost surely, 2^16100194451 is an apocalyptic number.

16100194451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16100194451 is a deficient number, since it is larger than the sum of its proper divisors (2241212269).

16100194451 is a wasteful number, since it uses less digits than its factorization.

16100194451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 16100194451 in words is "sixteen billion, one hundred million, one hundred ninety-four thousand, four hundred fifty-one".