61416620241612 has 12 divisors (see below), whose sum is σ = 143305447230456. Its totient is φ = 20472206747200.

The previous prime is 61416620241611. The next prime is 61416620241617. The reversal of 61416620241612 is 21614202661416.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (61416620241611) 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, 2559025843389 + ... + 2559025843412.

It is an arithmetic number, because the mean of its divisors is an integer number (11942120602538).

Almost surely, 2^{61416620241612} is an apocalyptic number.

It is an amenable number.

61416620241612 is an abundant number, since it is smaller than the sum of its proper divisors (81888826988844).

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

61416620241612 is a wasteful number, since it uses less digits than its factorization.

61416620241612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118051686808 (or 5118051686806 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 61416620241612 in words is "sixty-one trillion, four hundred sixteen billion, six hundred twenty million, two hundred forty-one thousand, six hundred twelve".