16263134551 has 8 divisors (see below), whose sum is σ = 16293682080. Its totient is φ = 16232617632.

The previous prime is 16263134519. The next prime is 16263134593. The reversal of 16263134551 is 15543136261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16263134551 - 2⁵ = 16263134519 is a prime.

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 16263134551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16263131551) 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, 1238446 + ... + 1251508.

It is an arithmetic number, because the mean of its divisors is an integer number (2036710260).

Almost surely, 2^16263134551 is an apocalyptic number.

16263134551 is a deficient number, since it is larger than the sum of its proper divisors (30547529).

16263134551 is a wasteful number, since it uses less digits than its factorization.

16263134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15305.

The product of its digits is 64800, while the sum is 37.

The spelling of 16263134551 in words is "sixteen billion, two hundred sixty-three million, one hundred thirty-four thousand, five hundred fifty-one".