61219625466 has 16 divisors (see below), whose sum is σ = 124163748288. Its totient is φ = 20119125600.

The previous prime is 61219625459. The next prime is 61219625479. The reversal of 61219625466 is 66452691216.

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, 71853595 + ... + 71854446.

It is an arithmetic number, because the mean of its divisors is an integer number (7760234268).

Almost surely, 2^61219625466 is an apocalyptic number.

61219625466 is an abundant number, since it is smaller than the sum of its proper divisors (62944122822).

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

61219625466 is a wasteful number, since it uses less digits than its factorization.

61219625466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143708117.

The product of its digits is 933120, while the sum is 48.

The spelling of 61219625466 in words is "sixty-one billion, two hundred nineteen million, six hundred twenty-five thousand, four hundred sixty-six".