1612172953 has 8 divisors (see below), whose sum is σ = 1635150176. Its totient is φ = 1589220000.

The previous prime is 1612172941. The next prime is 1612172977. The reversal of 1612172953 is 3592712161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1612172953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612170953) 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, 159418 + ... + 169228.

It is an arithmetic number, because the mean of its divisors is an integer number (204393772).

Almost surely, 2^1612172953 is an apocalyptic number.

It is an amenable number.

1612172953 is a deficient number, since it is larger than the sum of its proper divisors (22977223).

1612172953 is an equidigital number, since it uses as much as digits as its factorization.

1612172953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135.

The product of its digits is 22680, while the sum is 37.

The square root of 1612172953 is about 40151.8735926482. The cubic root of 1612172953 is about 1172.5657655157.

The spelling of 1612172953 in words is "one billion, six hundred twelve million, one hundred seventy-two thousand, nine hundred fifty-three".