166802600402 has 8 divisors (see below), whose sum is σ = 261082331136. Its totient is φ = 79775156692.

The previous prime is 166802600353. The next prime is 166802600473. The reversal of 166802600402 is 204006208661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813071698 + ... + 1813071789.

It is an arithmetic number, because the mean of its divisors is an integer number (32635291392).

Almost surely, 2^166802600402 is an apocalyptic number.

166802600402 is a deficient number, since it is larger than the sum of its proper divisors (94279730734).

166802600402 is a wasteful number, since it uses less digits than its factorization.

166802600402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626143512.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 166802600402 in words is "one hundred sixty-six billion, eight hundred two million, six hundred thousand, four hundred two".