1000616764 has 24 divisors (see below), whose sum is σ = 2015848800. Its totient is φ = 425703936.

The previous prime is 1000616723. The next prime is 1000616777. The reversal of 1000616764 is 4676160001.

It is a congruent 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, 126589 + ... + 134260.

It is an arithmetic number, because the mean of its divisors is an integer number (83993700).

Almost surely, 2^1000616764 is an apocalyptic number.

1000616764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1000616764 is an abundant number, since it is smaller than the sum of its proper divisors (1015232036).

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

1000616764 is a wasteful number, since it uses less digits than its factorization.

1000616764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260997 (or 260995 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1000616764 is about 31632.5269935868. The cubic root of 1000616764 is about 1000.2055457481.

Adding to 1000616764 its reverse (4676160001), we get a palindrome (5676776765).

The spelling of 1000616764 in words is "one billion, six hundred sixteen thousand, seven hundred sixty-four".