16111642053 has 16 divisors (see below), whose sum is σ = 23209070976. Its totient is φ = 9882968640.

The previous prime is 16111642049. The next prime is 16111642073. The reversal of 16111642053 is 35024611161.

It is a happy number.

It is not a de Polignac number, because 16111642053 - 2² = 16111642049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16111642053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16111642003) 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, 652050 + ... + 676307.

It is an arithmetic number, because the mean of its divisors is an integer number (1450566936).

Almost surely, 2^16111642053 is an apocalyptic number.

16111642053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16111642053 is a deficient number, since it is larger than the sum of its proper divisors (7097428923).

16111642053 is a wasteful number, since it uses less digits than its factorization.

16111642053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328684.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 16111642053 in words is "sixteen billion, one hundred eleven million, six hundred forty-two thousand, fifty-three".