16736635545 has 64 divisors (see below), whose sum is σ = 32241684480. Its totient is φ = 7242317568.

The previous prime is 16736635511. The next prime is 16736635549. The reversal of 16736635545 is 54553663761.

It is not a de Polignac number, because 16736635545 - 2⁶ = 16736635481 is a prime.

It is a super-2 number, since 2×16736635545² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16736635549) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3075567 + ... + 3081003.

It is an arithmetic number, because the mean of its divisors is an integer number (503776320).

Almost surely, 2^16736635545 is an apocalyptic number.

16736635545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16736635545 is a deficient number, since it is larger than the sum of its proper divisors (15505048935).

16736635545 is a wasteful number, since it uses less digits than its factorization.

16736635545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014.

The product of its digits is 6804000, while the sum is 51.

The spelling of 16736635545 in words is "sixteen billion, seven hundred thirty-six million, six hundred thirty-five thousand, five hundred forty-five".