16256266542 has 16 divisors (see below), whose sum is σ = 36125036880. Its totient is φ = 5418755496.

The previous prime is 16256266501. The next prime is 16256266547. The reversal of 16256266542 is 24566265261.

16256266542 is a `hidden beast` number, since 16 + 2 + 5 + 626 + 6 + 5 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16256266547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150520933 + ... + 150521040.

It is an arithmetic number, because the mean of its divisors is an integer number (2257814805).

Almost surely, 2^16256266542 is an apocalyptic number.

16256266542 is an abundant number, since it is smaller than the sum of its proper divisors (19868770338).

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

16256266542 is a wasteful number, since it uses less digits than its factorization.

16256266542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301041984 (or 301041978 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 16256266542 in words is "sixteen billion, two hundred fifty-six million, two hundred sixty-six thousand, five hundred forty-two".