166770211551602 has 8 divisors (see below), whose sum is σ = 250310983366656. Its totient is φ = 83333217096052.

The previous prime is 166770211551583. The next prime is 166770211551607. The reversal of 166770211551602 is 206155112077661.

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

It is not an unprimeable number, because it can be changed into a prime (166770211551607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25944335858 + ... + 25944342285.

It is an arithmetic number, because the mean of its divisors is an integer number (31288872920832).

Almost surely, 2^{166770211551602} is an apocalyptic number.

166770211551602 is a deficient number, since it is larger than the sum of its proper divisors (83540771815054).

166770211551602 is a wasteful number, since it uses less digits than its factorization.

166770211551602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51888679752.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 166770211551602 in words is "one hundred sixty-six trillion, seven hundred seventy billion, two hundred eleven million, five hundred fifty-one thousand, six hundred two".