3666431426 has 16 divisors (see below), whose sum is σ = 6558585984. Its totient is φ = 1503009024.

The previous prime is 3666431423. The next prime is 3666431441. The reversal of 3666431426 is 6241346663.

It is not an unprimeable number, because it can be changed into a prime (3666431423) 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, 5692895 + ... + 5693538.

It is an arithmetic number, because the mean of its divisors is an integer number (409911624).

Almost surely, 2^3666431426 is an apocalyptic number.

3666431426 is a deficient number, since it is larger than the sum of its proper divisors (2892154558).

3666431426 is a wasteful number, since it uses less digits than its factorization.

3666431426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386465.

The product of its digits is 373248, while the sum is 41.

The square root of 3666431426 is about 60551.0646149182. The cubic root of 3666431426 is about 1541.9886920945.

The spelling of 3666431426 in words is "three billion, six hundred sixty-six million, four hundred thirty-one thousand, four hundred twenty-six".