103309402166 has 4 divisors (see below), whose sum is σ = 154964103252. Its totient is φ = 51654701082.

The previous prime is 103309402123. The next prime is 103309402181. The reversal of 103309402166 is 661204903301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×103309402166³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25827350540 + ... + 25827350543.

It is an arithmetic number, because the mean of its divisors is an integer number (38741025813).

Almost surely, 2^103309402166 is an apocalyptic number.

103309402166 is a deficient number, since it is larger than the sum of its proper divisors (51654701086).

103309402166 is an equidigital number, since it uses as much as digits as its factorization.

103309402166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654701085.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 103309402166 in words is "one hundred three billion, three hundred nine million, four hundred two thousand, one hundred sixty-six".