1612172952 has 192 divisors, whose sum is σ = 4982796000. Its totient is φ = 466808832.

The previous prime is 1612172941. The next prime is 1612172977. The reversal of 1612172952 is 2592712161.

1612172952 is a `hidden beast` number, since 1 + 612 + 17 + 29 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4783728 + ... + 4784064.

Almost surely, 2^1612172952 is an apocalyptic number.

1612172952 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 1612172952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491398000).

1612172952 is an abundant number, since it is smaller than the sum of its proper divisors (3370623048).

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

1612172952 is a wasteful number, since it uses less digits than its factorization.

1612172952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 643 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 1612172952 is about 40151.8735801955. The cubic root of 1612172952 is about 1172.5657652732.

The spelling of 1612172952 in words is "one billion, six hundred twelve million, one hundred seventy-two thousand, nine hundred fifty-two".