16154193668 has 24 divisors (see below), whose sum is σ = 28439772480. Its totient is φ = 8028583200.

The previous prime is 16154193659. The next prime is 16154193691. The reversal of 16154193668 is 86639145161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164318 + ... + 3169418.

It is an arithmetic number, because the mean of its divisors is an integer number (1184990520).

Almost surely, 2^16154193668 is an apocalyptic number.

It is an amenable number.

16154193668 is a deficient number, since it is larger than the sum of its proper divisors (12285578812).

16154193668 is a wasteful number, since it uses less digits than its factorization.

16154193668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707 (or 9705 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The spelling of 16154193668 in words is "sixteen billion, one hundred fifty-four million, one hundred ninety-three thousand, six hundred sixty-eight".