16005140154 has 12 divisors (see below), whose sum is σ = 34677803706. Its totient is φ = 5335046712.

The previous prime is 16005140141. The next prime is 16005140197. The reversal of 16005140154 is 45104150061.

16005140154 is a `hidden beast` number, since 1 + 600 + 5 + 1 + 4 + 0 + 1 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12437825625 + 3567314529 = 111525^2 + 59727^2 .

It is a super-2 number, since 2×16005140154² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444587209 + ... + 444587244.

Almost surely, 2^16005140154 is an apocalyptic number.

16005140154 is an abundant number, since it is smaller than the sum of its proper divisors (18672663552).

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

16005140154 is a wasteful number, since it uses less digits than its factorization.

16005140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889174461 (or 889174458 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 16005140154 in words is "sixteen billion, five million, one hundred forty thousand, one hundred fifty-four".