16169192540 has 12 divisors (see below), whose sum is σ = 33955304376. Its totient is φ = 6467677008.

The previous prime is 16169192539. The next prime is 16169192561. The reversal of 16169192540 is 4529196161.

It is a super-2 number, since 2×16169192540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16169192491 and 16169192500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404229794 + ... + 404229833.

It is an arithmetic number, because the mean of its divisors is an integer number (2829608698).

Almost surely, 2^16169192540 is an apocalyptic number.

16169192540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16169192540 is an abundant number, since it is smaller than the sum of its proper divisors (17786111836).

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

16169192540 is a wasteful number, since it uses less digits than its factorization.

16169192540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808459636 (or 808459634 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 16169192540 in words is "sixteen billion, one hundred sixty-nine million, one hundred ninety-two thousand, five hundred forty".