1164261616 has 40 divisors (see below), whose sum is σ = 2620285664. Its totient is φ = 490786560.

The previous prime is 1164261611. The next prime is 1164261629. The reversal of 1164261616 is 6161624611.

It is a super-2 number, since 2×1164261616² = 2711010220981862912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164261611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78375 + ... + 92038.

Almost surely, 2^1164261616 is an apocalyptic number.

1164261616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1164261616 is an abundant number, since it is smaller than the sum of its proper divisors (1456024048).

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

1164261616 is a wasteful number, since it uses less digits than its factorization.

1164261616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170489 (or 170483 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 1164261616 is about 34121.2780534376. The cubic root of 1164261616 is about 1052.0027131545.

The spelling of 1164261616 in words is "one billion, one hundred sixty-four million, two hundred sixty-one thousand, six hundred sixteen".