16424332545 has 64 divisors (see below), whose sum is σ = 29135738880. Its totient is φ = 7863280128.

The previous prime is 16424332541. The next prime is 16424332567. The reversal of 16424332545 is 54523342461.

It is not a de Polignac number, because 16424332545 - 2² = 16424332541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16424332541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 689677 + ... + 713093.

It is an arithmetic number, because the mean of its divisors is an integer number (455245920).

Almost surely, 2^16424332545 is an apocalyptic number.

16424332545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16424332545 is a deficient number, since it is larger than the sum of its proper divisors (12711406335).

16424332545 is a wasteful number, since it uses less digits than its factorization.

16424332545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23574.

The product of its digits is 345600, while the sum is 39.

The spelling of 16424332545 in words is "sixteen billion, four hundred twenty-four million, three hundred thirty-two thousand, five hundred forty-five".