16387955479 has 12 divisors (see below), whose sum is σ = 19072942824. Its totient is φ = 14039890704.

The previous prime is 16387955461. The next prime is 16387955483. The reversal of 16387955479 is 97455978361.

It is not a de Polignac number, because 16387955479 - 2¹¹ = 16387953431 is a prime.

It is a super-2 number, since 2×16387955479² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16387955479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16387955429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19144 + ... + 182050.

It is an arithmetic number, because the mean of its divisors is an integer number (1589411902).

Almost surely, 2^16387955479 is an apocalyptic number.

16387955479 is a deficient number, since it is larger than the sum of its proper divisors (2684987345).

16387955479 is a wasteful number, since it uses less digits than its factorization.

16387955479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164974 (or 164967 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 16387955479 in words is "sixteen billion, three hundred eighty-seven million, nine hundred fifty-five thousand, four hundred seventy-nine".