61983038916 has 48 divisors (see below), whose sum is σ = 165039934080. Its totient is φ = 20102605920.

The previous prime is 61983038893. The next prime is 61983038927.

61983038916 is a `hidden beast` number, since 619 + 8 + 3 + 0 + 3 + 8 + 9 + 16 = 666.

61983038916 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61983038916² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7751640 + ... + 7759631.

It is an arithmetic number, because the mean of its divisors is an integer number (3438331960).

Almost surely, 2^61983038916 is an apocalyptic number.

It is an amenable number.

61983038916 is an abundant number, since it is smaller than the sum of its proper divisors (103056895164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61983038916 is a wasteful number, since it uses less digits than its factorization.

61983038916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511321 (or 15511313 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 61983038916 in words is "sixty-one billion, nine hundred eighty-three million, thirty-eight thousand, nine hundred sixteen".