961921466 has 16 divisors (see below), whose sum is σ = 1574602848. Its totient is φ = 437084400.

The previous prime is 961921453. The next prime is 961921469. The reversal of 961921466 is 664129169.

It is not an unprimeable number, because it can be changed into a prime (961921469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78341 + ... + 89783.

It is an arithmetic number, because the mean of its divisors is an integer number (98412678).

Almost surely, 2^961921466 is an apocalyptic number.

961921466 is a deficient number, since it is larger than the sum of its proper divisors (612681382).

961921466 is a wasteful number, since it uses less digits than its factorization.

961921466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15277.

The product of its digits is 139968, while the sum is 44.

The square root of 961921466 is about 31014.8587938104. The cubic root of 961921466 is about 987.1425498137.

The spelling of 961921466 in words is "nine hundred sixty-one million, nine hundred twenty-one thousand, four hundred sixty-six".