166031453253052 has 6 divisors (see below), whose sum is σ = 290555043192848. Its totient is φ = 83015726626524.

The previous prime is 166031453253023. The next prime is 166031453253067. The reversal of 166031453253052 is 250352354130661.

It is a junction number, because it is equal to n+sod(n) for n = 166031453252993 and 166031453253011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20753931656628 + ... + 20753931656635.

Almost surely, 2^{166031453253052} is an apocalyptic number.

It is an amenable number.

166031453253052 is a deficient number, since it is larger than the sum of its proper divisors (124523589939796).

166031453253052 is a wasteful number, since it uses less digits than its factorization.

166031453253052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41507863313267 (or 41507863313265 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 166031453253052 in words is "one hundred sixty-six trillion, thirty-one billion, four hundred fifty-three million, two hundred fifty-three thousand, fifty-two".