61763770156 has 12 divisors (see below), whose sum is σ = 117912652200. Its totient is φ = 28074440960.

The previous prime is 61763770151. The next prime is 61763770157. The reversal of 61763770156 is 65107736716.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61763770151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701860981 + ... + 701861068.

It is an arithmetic number, because the mean of its divisors is an integer number (9826054350).

Almost surely, 2^61763770156 is an apocalyptic number.

It is an amenable number.

61763770156 is a deficient number, since it is larger than the sum of its proper divisors (56148882044).

61763770156 is a wasteful number, since it uses less digits than its factorization.

61763770156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403722064 (or 1403722062 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 61763770156 in words is "sixty-one billion, seven hundred sixty-three million, seven hundred seventy thousand, one hundred fifty-six".