1612232655 has 64 divisors (see below), whose sum is σ = 3075895296. Its totient is φ = 711936000.

The previous prime is 1612232653. The next prime is 1612232659. The reversal of 1612232655 is 5562322161.

It is not a de Polignac number, because 1612232655 - 2¹ = 1612232653 is a prime.

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 (1612232651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77685 + ... + 96225.

It is an arithmetic number, because the mean of its divisors is an integer number (48060864).

Almost surely, 2^1612232655 is an apocalyptic number.

1612232655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1612232655 is a deficient number, since it is larger than the sum of its proper divisors (1463662641).

1612232655 is a wasteful number, since it uses less digits than its factorization.

1612232655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18608.

The product of its digits is 21600, while the sum is 33.

The square root of 1612232655 is about 40152.6170379964. The cubic root of 1612232655 is about 1172.5802394915.

It can be divided in two parts, 161223 and 2655, that added together give a triangular number (163878 = T₅₇₂).

The spelling of 1612232655 in words is "one billion, six hundred twelve million, two hundred thirty-two thousand, six hundred fifty-five".