611636676 has 96 divisors (see below), whose sum is σ = 1817948160. Its totient is φ = 155810304.

The previous prime is 611636653. The next prime is 611636681. The reversal of 611636676 is 676636116.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 15861 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (18936960).

Almost surely, 2^611636676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611636676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908974080).

611636676 is an abundant number, since it is smaller than the sum of its proper divisors (1206311484).

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

611636676 is a wasteful number, since it uses less digits than its factorization.

611636676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22593 (or 22591 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 611636676 is about 24731.2894124023. The cubic root of 611636676 is about 848.8504302964.

The spelling of 611636676 in words is "six hundred eleven million, six hundred thirty-six thousand, six hundred seventy-six".