400913493166 has 16 divisors (see below), whose sum is σ = 628794845568. Its totient is φ = 191350713400.

The previous prime is 400913493161. The next prime is 400913493209. The reversal of 400913493166 is 661394319004.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400913493161) 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, 8852680 + ... + 8897851.

It is an arithmetic number, because the mean of its divisors is an integer number (39299677848).

Almost surely, 2^400913493166 is an apocalyptic number.

400913493166 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

400913493166 is a deficient number, since it is larger than the sum of its proper divisors (227881352402).

400913493166 is a wasteful number, since it uses less digits than its factorization.

400913493166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17751047.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 400913493166 in words is "four hundred billion, nine hundred thirteen million, four hundred ninety-three thousand, one hundred sixty-six".