151121060066 has 4 divisors (see below), whose sum is σ = 226681590102. Its totient is φ = 75560530032.

The previous prime is 151121060063. The next prime is 151121060087. The reversal of 151121060066 is 660060121151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 79526820025 + 71594240041 = 282005^2 + 267571^2 .

It is not an unprimeable number, because it can be changed into a prime (151121060063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37780265015 + ... + 37780265018.

Almost surely, 2^151121060066 is an apocalyptic number.

151121060066 is a deficient number, since it is larger than the sum of its proper divisors (75560530036).

151121060066 is an equidigital number, since it uses as much as digits as its factorization.

151121060066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75560530035.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 151121060066 in words is "one hundred fifty-one billion, one hundred twenty-one million, sixty thousand, sixty-six".