166420423151400 has 192 divisors, whose sum is σ = 587273335672320. Its totient is φ = 38590243014400.

The previous prime is 166420423151399. The next prime is 166420423151447. The reversal of 166420423151400 is 4151324024661.

166420423151400 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 548005062 + ... + 548308661.

It is an arithmetic number, because the mean of its divisors is an integer number (3058715289960).

Almost surely, 2^{166420423151400} is an apocalyptic number.

166420423151400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166420423151400 is an abundant number, since it is smaller than the sum of its proper divisors (420852912520920).

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

166420423151400 is a wasteful number, since it uses less digits than its factorization.

166420423151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096313776 (or 1096313767 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 166420423151400 in words is "one hundred sixty-six trillion, four hundred twenty billion, four hundred twenty-three million, one hundred fifty-one thousand, four hundred".