1011616404 has 48 divisors (see below), whose sum is σ = 2389032576. Its totient is φ = 333136000.

The previous prime is 1011616379. The next prime is 1011616427. The reversal of 1011616404 is 4046161101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074574 + ... + 1075514.

It is an arithmetic number, because the mean of its divisors is an integer number (49771512).

Almost surely, 2^1011616404 is an apocalyptic number.

It is an amenable number.

1011616404 is an abundant number, since it is smaller than the sum of its proper divisors (1377416172).

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

1011616404 is a wasteful number, since it uses less digits than its factorization.

1011616404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1011616404 is about 31805.9177512613. The cubic root of 1011616404 is about 1003.8572372577.

Adding to 1011616404 its reverse (4046161101), we get a palindrome (5057777505).

The spelling of 1011616404 in words is "one billion, eleven million, six hundred sixteen thousand, four hundred four".