61474076818 has 32 divisors (see below), whose sum is σ = 115056184320. Its totient is φ = 23931839760.

The previous prime is 61474076803. The next prime is 61474076819. The reversal of 61474076818 is 81867047416.

It is not an unprimeable number, because it can be changed into a prime (61474076819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35355 + ... + 352417.

It is an arithmetic number, because the mean of its divisors is an integer number (3595505760).

Almost surely, 2^61474076818 is an apocalyptic number.

61474076818 is a deficient number, since it is larger than the sum of its proper divisors (53582107502).

61474076818 is a wasteful number, since it uses less digits than its factorization.

61474076818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318342.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 61474076818 in words is "sixty-one billion, four hundred seventy-four million, seventy-six thousand, eight hundred eighteen".