16451373215530 has 64 divisors (see below), whose sum is σ = 33422510822400. Its totient is φ = 5775331179520.

The previous prime is 16451373215527. The next prime is 16451373215533. The reversal of 16451373215530 is 3551237315461.

It is an interprime number because it is at equal distance from previous prime (16451373215527) and next prime (16451373215533).

It is not an unprimeable number, because it can be changed into a prime (16451373215533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26388999 + ... + 27005221.

It is an arithmetic number, because the mean of its divisors is an integer number (522226731600).

Almost surely, 2^{16451373215530} is an apocalyptic number.

16451373215530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16451373215530 is an abundant number, since it is smaller than the sum of its proper divisors (16971137606870).

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

16451373215530 is a wasteful number, since it uses less digits than its factorization.

16451373215530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624639.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 16451373215530 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-three million, two hundred fifteen thousand, five hundred thirty".