906156506666 has 8 divisors (see below), whose sum is σ = 1360080586080. Its totient is φ = 452796311308.

The previous prime is 906156506641. The next prime is 906156506707. The reversal of 906156506666 is 666605651609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×906156506666² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140966996 + ... + 140973423.

It is an arithmetic number, because the mean of its divisors is an integer number (170010073260).

Almost surely, 2^906156506666 is an apocalyptic number.

906156506666 is a deficient number, since it is larger than the sum of its proper divisors (453924079414).

906156506666 is a wasteful number, since it uses less digits than its factorization.

906156506666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281942028.

The product of its (nonzero) digits is 10497600, while the sum is 56.

The spelling of 906156506666 in words is "nine hundred six billion, one hundred fifty-six million, five hundred six thousand, six hundred sixty-six".