155764166011 has 12 divisors (see below), whose sum is σ = 157555791952. Its totient is φ = 153991829376.

The previous prime is 155764166009. The next prime is 155764166021. The reversal of 155764166011 is 110661467551.

It is not a de Polignac number, because 155764166011 - 2¹ = 155764166009 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155764166021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5053930 + ... + 5084656.

Almost surely, 2^155764166011 is an apocalyptic number.

155764166011 is a deficient number, since it is larger than the sum of its proper divisors (1791625941).

155764166011 is an equidigital number, since it uses as much as digits as its factorization.

155764166011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31350 (or 31237 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 155764166011 in words is "one hundred fifty-five billion, seven hundred sixty-four million, one hundred sixty-six thousand, eleven".