61106917936 has 20 divisors (see below), whose sum is σ = 120062186064. Its totient is φ = 30123128000.

The previous prime is 61106917919. The next prime is 61106917939. The reversal of 61106917936 is 63971960116.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61106917936.

It is not an unprimeable number, because it can be changed into a prime (61106917939) 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, 26894515 + ... + 26896786.

Almost surely, 2^61106917936 is an apocalyptic number.

It is an amenable number.

61106917936 is a deficient number, since it is larger than the sum of its proper divisors (58955268128).

61106917936 is a wasteful number, since it uses less digits than its factorization.

61106917936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53791380 (or 53791374 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 61106917936 in words is "sixty-one billion, one hundred six million, nine hundred seventeen thousand, nine hundred thirty-six".