1164521634 has 16 divisors (see below), whose sum is σ = 2404174080. Its totient is φ = 375652080.

The previous prime is 1164521629. The next prime is 1164521669. The reversal of 1164521634 is 4361254611.

It is a super-2 number, since 2×1164521634² = 2712221272108059912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1164521595 and 1164521604.

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, 3130249 + ... + 3130620.

It is an arithmetic number, because the mean of its divisors is an integer number (150260880).

Almost surely, 2^1164521634 is an apocalyptic number.

1164521634 is an abundant number, since it is smaller than the sum of its proper divisors (1239652446).

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

1164521634 is a wasteful number, since it uses less digits than its factorization.

1164521634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260905.

The product of its digits is 17280, while the sum is 33.

The square root of 1164521634 is about 34125.0880438425. The cubic root of 1164521634 is about 1052.0810229538.

The spelling of 1164521634 in words is "one billion, one hundred sixty-four million, five hundred twenty-one thousand, six hundred thirty-four".