61970618348 has 48 divisors (see below), whose sum is σ = 115904584320. Its totient is φ = 28907259264.

The previous prime is 61970618341. The next prime is 61970618383. The reversal of 61970618348 is 84381607916.

It is a self number, because there is not a number n which added to its sum of digits gives 61970618348.

It is not an unprimeable number, because it can be changed into a prime (61970618341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958711 + ... + 1990097.

It is an arithmetic number, because the mean of its divisors is an integer number (2414678840).

Almost surely, 2^61970618348 is an apocalyptic number.

It is an amenable number.

61970618348 is a deficient number, since it is larger than the sum of its proper divisors (53933965972).

61970618348 is a wasteful number, since it uses less digits than its factorization.

61970618348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31806 (or 31804 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 61970618348 in words is "sixty-one billion, nine hundred seventy million, six hundred eighteen thousand, three hundred forty-eight".