166903857354 has 64 divisors (see below), whose sum is σ = 393756733440. Its totient is φ = 46667443200.

The previous prime is 166903857319. The next prime is 166903857359. The reversal of 166903857354 is 453758309661.

166903857354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166903857294 and 166903857303.

It is not an unprimeable number, because it can be changed into a prime (166903857359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2131722 + ... + 2208629.

It is an arithmetic number, because the mean of its divisors is an integer number (6152448960).

Almost surely, 2^166903857354 is an apocalyptic number.

166903857354 is an abundant number, since it is smaller than the sum of its proper divisors (226852876086).

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

166903857354 is a wasteful number, since it uses less digits than its factorization.

166903857354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340415.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 166903857354 in words is "one hundred sixty-six billion, nine hundred three million, eight hundred fifty-seven thousand, three hundred fifty-four".