14991164738 has 16 divisors (see below), whose sum is σ = 24532960320. Its totient is φ = 6813620400.

The previous prime is 14991164731. The next prime is 14991164761. The reversal of 14991164738 is 83746119941.

It is a self number, because there is not a number n which added to its sum of digits gives 14991164738.

It is not an unprimeable number, because it can be changed into a prime (14991164731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408803 + ... + 443961.

It is an arithmetic number, because the mean of its divisors is an integer number (1533310020).

Almost surely, 2^14991164738 is an apocalyptic number.

14991164738 is a deficient number, since it is larger than the sum of its proper divisors (9541795582).

14991164738 is a wasteful number, since it uses less digits than its factorization.

14991164738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54553.

The product of its digits is 1306368, while the sum is 53.

The spelling of 14991164738 in words is "fourteen billion, nine hundred ninety-one million, one hundred sixty-four thousand, seven hundred thirty-eight".