16537342899 has 16 divisors (see below), whose sum is σ = 27490648320. Its totient is φ = 8590827360.

The previous prime is 16537342889. The next prime is 16537342957. The reversal of 16537342899 is 99824373561.

It is not a de Polignac number, because 16537342899 - 2⁴ = 16537342883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16537342819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35794884 + ... + 35795345.

It is an arithmetic number, because the mean of its divisors is an integer number (1718165520).

Almost surely, 2^16537342899 is an apocalyptic number.

16537342899 is a deficient number, since it is larger than the sum of its proper divisors (10953305421).

16537342899 is a wasteful number, since it uses less digits than its factorization.

16537342899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71590250.

The product of its digits is 9797760, while the sum is 57.

The spelling of 16537342899 in words is "sixteen billion, five hundred thirty-seven million, three hundred forty-two thousand, eight hundred ninety-nine".