16345542736 has 20 divisors (see below), whose sum is σ = 31673028352. Its totient is φ = 8171858016.

The previous prime is 16345542673. The next prime is 16345542739. The reversal of 16345542736 is 63724554361.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16345542739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104401 + ... + 208783.

Almost surely, 2^16345542736 is an apocalyptic number.

16345542736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16345542736 is a deficient number, since it is larger than the sum of its proper divisors (15327485616).

16345542736 is a wasteful number, since it uses less digits than its factorization.

16345542736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114178 (or 114172 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 46.

The spelling of 16345542736 in words is "sixteen billion, three hundred forty-five million, five hundred forty-two thousand, seven hundred thirty-six".