166340522434 has 16 divisors (see below), whose sum is σ = 251496907200. Its totient is φ = 82509130224.

The previous prime is 166340522429. The next prime is 166340522443. The reversal of 166340522434 is 434225043661.

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, 139864 + ... + 593500.

It is an arithmetic number, because the mean of its divisors is an integer number (15718556700).

Almost surely, 2^166340522434 is an apocalyptic number.

166340522434 is a deficient number, since it is larger than the sum of its proper divisors (85156384766).

166340522434 is a wasteful number, since it uses less digits than its factorization.

166340522434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455097.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 166340522434 in words is "one hundred sixty-six billion, three hundred forty million, five hundred twenty-two thousand, four hundred thirty-four".