61146506104 has 16 divisors (see below), whose sum is σ = 115552454400. Its totient is φ = 30332518272.

The previous prime is 61146506093. The next prime is 61146506107. The reversal of 61146506104 is 40160564116.

It is a self number, because there is not a number n which added to its sum of digits gives 61146506104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61146506107) 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, 30090769 + ... + 30092800.

It is an arithmetic number, because the mean of its divisors is an integer number (7222028400).

Almost surely, 2^61146506104 is an apocalyptic number.

It is an amenable number.

61146506104 is a deficient number, since it is larger than the sum of its proper divisors (54405948296).

61146506104 is a wasteful number, since it uses less digits than its factorization.

61146506104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60183702 (or 60183698 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 61146506104 in words is "sixty-one billion, one hundred forty-six million, five hundred six thousand, one hundred four".