16742420265 has 32 divisors (see below), whose sum is σ = 27978226560. Its totient is φ = 8540688384.

The previous prime is 16742420249. The next prime is 16742420293. The reversal of 16742420265 is 56202424761.

It is not a de Polignac number, because 16742420265 - 2⁴ = 16742420249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222904 + ... + 288393.

It is an arithmetic number, because the mean of its divisors is an integer number (874319580).

Almost surely, 2^16742420265 is an apocalyptic number.

16742420265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16742420265 is a deficient number, since it is larger than the sum of its proper divisors (11235806295).

16742420265 is a wasteful number, since it uses less digits than its factorization.

16742420265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511401.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 16742420265 in words is "sixteen billion, seven hundred forty-two million, four hundred twenty thousand, two hundred sixty-five".