16452121654 has 16 divisors (see below), whose sum is σ = 26243956800. Its totient is φ = 7708362624.

The previous prime is 16452121649. The next prime is 16452121667. The reversal of 16452121654 is 45612125461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048734 + ... + 1064305.

It is an arithmetic number, because the mean of its divisors is an integer number (1640247300).

Almost surely, 2^16452121654 is an apocalyptic number.

16452121654 is a deficient number, since it is larger than the sum of its proper divisors (9791835146).

16452121654 is a wasteful number, since it uses less digits than its factorization.

16452121654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113287.

The product of its digits is 57600, while the sum is 37.

The spelling of 16452121654 in words is "sixteen billion, four hundred fifty-two million, one hundred twenty-one thousand, six hundred fifty-four".