166150665566007 has 32 divisors (see below), whose sum is σ = 229662577196544. Its totient is φ = 106763420649600.

The previous prime is 166150665565919. The next prime is 166150665566033. The reversal of 166150665566007 is 700665566051661.

It is not a de Polignac number, because 166150665566007 - 2¹² = 166150665561911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166150665566077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8633619 + ... + 20170292.

It is an arithmetic number, because the mean of its divisors is an integer number (7176955537392).

Almost surely, 2^{166150665566007} is an apocalyptic number.

166150665566007 is a deficient number, since it is larger than the sum of its proper divisors (63511911630537).

166150665566007 is a wasteful number, since it uses less digits than its factorization.

166150665566007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804439.

The product of its (nonzero) digits is 40824000, while the sum is 60.

The spelling of 166150665566007 in words is "one hundred sixty-six trillion, one hundred fifty billion, six hundred sixty-five million, five hundred sixty-six thousand, seven".