155161016066 has 32 divisors (see below), whose sum is σ = 272598117120. Its totient is φ = 64847059200.

The previous prime is 155161016041. The next prime is 155161016071. The reversal of 155161016066 is 660610161551.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268030 + ... + 1384998.

It is an arithmetic number, because the mean of its divisors is an integer number (8518691160).

Almost surely, 2^155161016066 is an apocalyptic number.

155161016066 is a deficient number, since it is larger than the sum of its proper divisors (117437101054).

155161016066 is a wasteful number, since it uses less digits than its factorization.

155161016066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119330.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 155161016066 in words is "one hundred fifty-five billion, one hundred sixty-one million, sixteen thousand, sixty-six".