101580385466 has 16 divisors (see below), whose sum is σ = 174179082240. Its totient is φ = 43524131280.

The previous prime is 101580385421. The next prime is 101580385483. The reversal of 101580385466 is 664583085101.

It is a super-2 number, since 2×101580385466² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101580385466.

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, 798650 + ... + 917061.

It is an arithmetic number, because the mean of its divisors is an integer number (10886192640).

Almost surely, 2^101580385466 is an apocalyptic number.

101580385466 is a deficient number, since it is larger than the sum of its proper divisors (72598696774).

101580385466 is a wasteful number, since it uses less digits than its factorization.

101580385466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719949.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 101580385466 in words is "one hundred one billion, five hundred eighty million, three hundred eighty-five thousand, four hundred sixty-six".