166312062850 has 48 divisors (see below), whose sum is σ = 315648750312. Its totient is φ = 65171957760.

The previous prime is 166312062817. The next prime is 166312062883. The reversal of 166312062850 is 58260213661.

It is an interprime number because it is at equal distance from previous prime (166312062817) and next prime (166312062883).

It can be written as a sum of positive squares in 12 ways, for example, as 44690382801 + 121621680049 = 211401^2 + 348743^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1736824 + ... + 1830076.

Almost surely, 2^166312062850 is an apocalyptic number.

166312062850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166312062850 is a deficient number, since it is larger than the sum of its proper divisors (149336687462).

166312062850 is a wasteful number, since it uses less digits than its factorization.

166312062850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93991 (or 93986 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 166312062850 in words is "one hundred sixty-six billion, three hundred twelve million, sixty-two thousand, eight hundred fifty".