611623236426 has 16 divisors (see below), whose sum is σ = 1287627866400. Its totient is φ = 193144179888.

The previous prime is 611623236401. The next prime is 611623236479. The reversal of 611623236426 is 624632326116.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2682557941 + ... + 2682558168.

It is an arithmetic number, because the mean of its divisors is an integer number (80476741650).

Almost surely, 2^611623236426 is an apocalyptic number.

611623236426 is an abundant number, since it is smaller than the sum of its proper divisors (676004629974).

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

611623236426 is a wasteful number, since it uses less digits than its factorization.

611623236426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365116133.

The product of its digits is 373248, while the sum is 42.

The spelling of 611623236426 in words is "six hundred eleven billion, six hundred twenty-three million, two hundred thirty-six thousand, four hundred twenty-six".