161526366426 has 16 divisors (see below), whose sum is σ = 323060077728. Its totient is φ = 53840898000.

The previous prime is 161526366401. The next prime is 161526366437. The reversal of 161526366426 is 624663625161.

161526366426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 4021 + ... + 568391.

It is an arithmetic number, because the mean of its divisors is an integer number (20191254858).

Almost surely, 2^161526366426 is an apocalyptic number.

161526366426 is an abundant number, since it is smaller than the sum of its proper divisors (161533711302).

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

161526366426 is a wasteful number, since it uses less digits than its factorization.

161526366426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612077.

The product of its digits is 1866240, while the sum is 48.

The spelling of 161526366426 in words is "one hundred sixty-one billion, five hundred twenty-six million, three hundred sixty-six thousand, four hundred twenty-six".