61463036416 has 20 divisors (see below), whose sum is σ = 122806028862. Its totient is φ = 30731517952.

The previous prime is 61463036387. The next prime is 61463036423.

61463036416 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 49954038016 + 11508998400 = 223504^2 + 107280^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60021985 + ... + 60023008.

Almost surely, 2^61463036416 is an apocalyptic number.

It is an amenable number.

61463036416 is a deficient number, since it is larger than the sum of its proper divisors (61342992446).

61463036416 is an equidigital number, since it uses as much as digits as its factorization.

61463036416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120045011 (or 120044995 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 61463036416 in words is "sixty-one billion, four hundred sixty-three million, thirty-six thousand, four hundred sixteen".