16537013655 has 16 divisors (see below), whose sum is σ = 27174336864. Its totient is φ = 8581368960.

The previous prime is 16537013617. The next prime is 16537013671. The reversal of 16537013655 is 55631073561.

It is not a de Polignac number, because 16537013655 - 2¹⁹ = 16536489367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14897656 + ... + 14898765.

It is an arithmetic number, because the mean of its divisors is an integer number (1698396054).

Almost surely, 2^16537013655 is an apocalyptic number.

16537013655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16537013655 is a deficient number, since it is larger than the sum of its proper divisors (10637323209).

16537013655 is a wasteful number, since it uses less digits than its factorization.

16537013655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29796466.

The product of its (nonzero) digits is 283500, while the sum is 42.

The spelling of 16537013655 in words is "sixteen billion, five hundred thirty-seven million, thirteen thousand, six hundred fifty-five".