166468250320 has 40 divisors (see below), whose sum is σ = 389065098240. Its totient is φ = 66238669440.

The previous prime is 166468250309. The next prime is 166468250363. The reversal of 166468250320 is 23052864661.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 5431980 + ... + 5462539.

It is an arithmetic number, because the mean of its divisors is an integer number (9726627456).

Almost surely, 2^166468250320 is an apocalyptic number.

166468250320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166468250320 is an abundant number, since it is smaller than the sum of its proper divisors (222596847920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166468250320 is a wasteful number, since it uses less digits than its factorization.

166468250320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894723 (or 10894717 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 166468250320 in words is "one hundred sixty-six billion, four hundred sixty-eight million, two hundred fifty thousand, three hundred twenty".