61690007456330 has 16 divisors (see below), whose sum is σ = 121136741914464. Its totient is φ = 22432729984080.

The previous prime is 61690007456317. The next prime is 61690007456369. The reversal of 61690007456330 is 3365470009616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280409124692 + ... + 280409124911.

It is an arithmetic number, because the mean of its divisors is an integer number (7571046369654).

Almost surely, 2^{61690007456330} is an apocalyptic number.

61690007456330 is a deficient number, since it is larger than the sum of its proper divisors (59446734458134).

61690007456330 is a wasteful number, since it uses less digits than its factorization.

61690007456330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560818249621.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 61690007456330 in words is "sixty-one trillion, six hundred ninety billion, seven million, four hundred fifty-six thousand, three hundred thirty".