16465471451 has 32 divisors (see below), whose sum is σ = 19534652928. Its totient is φ = 13681578240.

The previous prime is 16465471411. The next prime is 16465471453. The reversal of 16465471451 is 15417456461.

It is not a de Polignac number, because 16465471451 - 2²⁶ = 16398362587 is a prime.

It is a super-2 number, since 2×16465471451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16465471453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10245290 + ... + 10246896.

It is an arithmetic number, because the mean of its divisors is an integer number (610457904).

Almost surely, 2^16465471451 is an apocalyptic number.

16465471451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16465471451 is a deficient number, since it is larger than the sum of its proper divisors (3069181477).

16465471451 is a wasteful number, since it uses less digits than its factorization.

16465471451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its digits is 403200, while the sum is 44.

The spelling of 16465471451 in words is "sixteen billion, four hundred sixty-five million, four hundred seventy-one thousand, four hundred fifty-one".