166031048753426 has 16 divisors (see below), whose sum is σ = 251251396353504. Its totient is φ = 82280588397504.

The previous prime is 166031048753407. The next prime is 166031048753467. The reversal of 166031048753426 is 624357840130661.

It is a happy number.

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, 73816205 + ... + 76032191.

It is an arithmetic number, because the mean of its divisors is an integer number (15703212272094).

Almost surely, 2^{166031048753426} is an apocalyptic number.

166031048753426 is a deficient number, since it is larger than the sum of its proper divisors (85220347600078).

166031048753426 is a wasteful number, since it uses less digits than its factorization.

166031048753426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547625.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 166031048753426 in words is "one hundred sixty-six trillion, thirty-one billion, forty-eight million, seven hundred fifty-three thousand, four hundred twenty-six".