166462215430431 has 8 divisors (see below), whose sum is σ = 221963443246384. Its totient is φ = 110967898950720.

The previous prime is 166462215430421. The next prime is 166462215430471. The reversal of 166462215430431 is 134034512264661.

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

It is not a de Polignac number, because 166462215430431 - 2²⁵ = 166462181875999 is a prime.

It is a super-2 number, since 2×166462215430431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166462215430421) 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, 1727777860 + ... + 1727874201.

It is an arithmetic number, because the mean of its divisors is an integer number (27745430405798).

Almost surely, 2^{166462215430431} is an apocalyptic number.

166462215430431 is a deficient number, since it is larger than the sum of its proper divisors (55501227815953).

166462215430431 is a wasteful number, since it uses less digits than its factorization.

166462215430431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3455668121.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 166462215430431 in words is "one hundred sixty-six trillion, four hundred sixty-two billion, two hundred fifteen million, four hundred thirty thousand, four hundred thirty-one".