345085478166 has 128 divisors (see below), whose sum is σ = 847355572224. Its totient is φ = 92191777920.

The previous prime is 345085478159. The next prime is 345085478167. The reversal of 345085478166 is 661874580543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345085478167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13465521 + ... + 13491123.

It is an arithmetic number, because the mean of its divisors is an integer number (6619965408).

Almost surely, 2^345085478166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345085478166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423677786112).

345085478166 is an abundant number, since it is smaller than the sum of its proper divisors (502270094058).

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

345085478166 is a wasteful number, since it uses less digits than its factorization.

345085478166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26338.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 345085478166 in words is "three hundred forty-five billion, eighty-five million, four hundred seventy-eight thousand, one hundred sixty-six".