1156102164 has 72 divisors (see below), whose sum is σ = 3353034048. Its totient is φ = 329011200.

The previous prime is 1156102097. The next prime is 1156102223. The reversal of 1156102164 is 4612016511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55839 + ... + 73689.

Almost surely, 2^1156102164 is an apocalyptic number.

1156102164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156102164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676517024).

1156102164 is an abundant number, since it is smaller than the sum of its proper divisors (2196931884).

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

1156102164 is a wasteful number, since it uses less digits than its factorization.

1156102164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18125 (or 18120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1156102164 is about 34001.5023785715. The cubic root of 1156102164 is about 1049.5393789136.

Adding to 1156102164 its reverse (4612016511), we get a palindrome (5768118675).

The spelling of 1156102164 in words is "one billion, one hundred fifty-six million, one hundred two thousand, one hundred sixty-four".