64842254156 has 12 divisors (see below), whose sum is σ = 113475754392. Its totient is φ = 32420610048.

The previous prime is 64842254107. The next prime is 64842254167. The reversal of 64842254156 is 65145224846.

64842254156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64842254156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352076 + ... + 503628.

It is an arithmetic number, because the mean of its divisors is an integer number (9456312866).

Almost surely, 2^64842254156 is an apocalyptic number.

It is an amenable number.

64842254156 is a deficient number, since it is larger than the sum of its proper divisors (48633500236).

64842254156 is a wasteful number, since it uses less digits than its factorization.

64842254156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258520 (or 258518 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The spelling of 64842254156 in words is "sixty-four billion, eight hundred forty-two million, two hundred fifty-four thousand, one hundred fifty-six".