61670446674 has 16 divisors (see below), whose sum is σ = 123347532000. Its totient is φ = 20555709120.

The previous prime is 61670446637. The next prime is 61670446679. The reversal of 61670446674 is 47664407616.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61670446679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151492 + ... + 382479.

It is an arithmetic number, because the mean of its divisors is an integer number (7709220750).

Almost surely, 2^61670446674 is an apocalyptic number.

61670446674 is an abundant number, since it is smaller than the sum of its proper divisors (61677085326).

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

61670446674 is a wasteful number, since it uses less digits than its factorization.

61670446674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553225.

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 61670446674 in words is "sixty-one billion, six hundred seventy million, four hundred forty-six thousand, six hundred seventy-four".