16451507140404 has 96 divisors (see below), whose sum is σ = 46292468060160. Its totient is φ = 4445546443008.

The previous prime is 16451507140379. The next prime is 16451507140429. The reversal of 16451507140404 is 40404170515461.

It is an interprime number because it is at equal distance from previous prime (16451507140379) and next prime (16451507140429).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47666664 + ... + 48010559.

It is an arithmetic number, because the mean of its divisors is an integer number (482213208960).

Almost surely, 2^{16451507140404} is an apocalyptic number.

16451507140404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16451507140404 is an abundant number, since it is smaller than the sum of its proper divisors (29840960919756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16451507140404 is a wasteful number, since it uses less digits than its factorization.

16451507140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95677349 (or 95677347 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

Adding to 16451507140404 its reverse (40404170515461), we get a palindrome (56855677655865).

The spelling of 16451507140404 in words is "sixteen trillion, four hundred fifty-one billion, five hundred seven million, one hundred forty thousand, four hundred four".