61602343641 has 56 divisors (see below), whose sum is σ = 102046677120. Its totient is φ = 36971738496.

The previous prime is 61602343619. The next prime is 61602343643. The reversal of 61602343641 is 14634320616.

61602343641 is a `hidden beast` number, since 6 + 1 + 6 + 0 + 2 + 3 + 4 + 3 + 641 = 666.

It is not a de Polignac number, because 61602343641 - 2⁷ = 61602343513 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61602343596 and 61602343605.

It is not an unprimeable number, because it can be changed into a prime (61602343643) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 176980 + ... + 393098.

Almost surely, 2^61602343641 is an apocalyptic number.

It is an amenable number.

61602343641 is a deficient number, since it is larger than the sum of its proper divisors (40444333479).

61602343641 is a wasteful number, since it uses less digits than its factorization.

61602343641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216177 (or 216162 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 61602343641 in words is "sixty-one billion, six hundred two million, three hundred forty-three thousand, six hundred forty-one".