612196059661 has 16 divisors (see below), whose sum is σ = 621296865280. Its totient is φ = 603173375280.

The previous prime is 612196059647. The next prime is 612196059737. The reversal of 612196059661 is 166950691216.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 612196059661 - 2³³ = 603606125069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612196059599 and 612196059608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612196059061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15636436 + ... + 15675538.

It is an arithmetic number, because the mean of its divisors is an integer number (38831054080).

Almost surely, 2^612196059661 is an apocalyptic number.

It is an amenable number.

612196059661 is a deficient number, since it is larger than the sum of its proper divisors (9100805619).

612196059661 is a wasteful number, since it uses less digits than its factorization.

612196059661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40096.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 612196059661 in words is "six hundred twelve billion, one hundred ninety-six million, fifty-nine thousand, six hundred sixty-one".