1164830172 has 96 divisors (see below), whose sum is σ = 3068851968. Its totient is φ = 340800000.

The previous prime is 1164830129. The next prime is 1164830179. The reversal of 1164830172 is 2710384611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164830179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545547 + ... + 547677.

It is an arithmetic number, because the mean of its divisors is an integer number (31967208).

Almost surely, 2^1164830172 is an apocalyptic number.

1164830172 is a gapful number since it is divisible by the number (12) 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 1164830172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1534425984).

1164830172 is an abundant number, since it is smaller than the sum of its proper divisors (1904021796).

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

1164830172 is a wasteful number, since it uses less digits than its factorization.

1164830172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1164830172 is about 34129.6084360779. The cubic root of 1164830172 is about 1052.1739304337.

The spelling of 1164830172 in words is "one billion, one hundred sixty-four million, eight hundred thirty thousand, one hundred seventy-two".