612161332 has 12 divisors (see below), whose sum is σ = 1072211616. Its totient is φ = 305815160.

The previous prime is 612161327. The next prime is 612161339. The reversal of 612161332 is 233161216.

It is a junction number, because it is equal to n+sod(n) for n = 612161297 and 612161306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612161339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61144 + ... + 70447.

It is an arithmetic number, because the mean of its divisors is an integer number (89350968).

Almost surely, 2^612161332 is an apocalyptic number.

It is an amenable number.

612161332 is a deficient number, since it is larger than the sum of its proper divisors (460050284).

612161332 is a wasteful number, since it uses less digits than its factorization.

612161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132758 (or 132756 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 612161332 is about 24741.8942686287. The cubic root of 612161332 is about 849.0930728156.

The spelling of 612161332 in words is "six hundred twelve million, one hundred sixty-one thousand, three hundred thirty-two".