16053131778 has 32 divisors (see below), whose sum is σ = 32867146752. Its totient is φ = 5224338000.

The previous prime is 16053131777. The next prime is 16053131789. The reversal of 16053131778 is 87713135061.

It is not an unprimeable number, because it can be changed into a prime (16053131777) 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, 645963 + ... + 670353.

It is an arithmetic number, because the mean of its divisors is an integer number (1027098336).

Almost surely, 2^16053131778 is an apocalyptic number.

16053131778 is an abundant number, since it is smaller than the sum of its proper divisors (16814014974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16053131778 is a wasteful number, since it uses less digits than its factorization.

16053131778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26990.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 16053131778 in words is "sixteen billion, fifty-three million, one hundred thirty-one thousand, seven hundred seventy-eight".