166791463007 has 16 divisors (see below), whose sum is σ = 191897381760. Its totient is φ = 143681120352.

The previous prime is 166791463001. The next prime is 166791463049. The reversal of 166791463007 is 700364197661.

It is a cyclic number.

It is not a de Polignac number, because 166791463007 - 2¹⁴ = 166791446623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166791463001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5022773 + ... + 5055870.

It is an arithmetic number, because the mean of its divisors is an integer number (11993586360).

Almost surely, 2^166791463007 is an apocalyptic number.

166791463007 is a deficient number, since it is larger than the sum of its proper divisors (25105918753).

166791463007 is a wasteful number, since it uses less digits than its factorization.

166791463007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10078742.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 166791463007 in words is "one hundred sixty-six billion, seven hundred ninety-one million, four hundred sixty-three thousand, seven".