151066662605 has 4 divisors (see below), whose sum is σ = 181279995132. Its totient is φ = 120853330080.

The previous prime is 151066662587. The next prime is 151066662611. The reversal of 151066662605 is 506266660151.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66416505796 + 84650156809 = 257714^2 + 290947^2 .

It is not a de Polignac number, because 151066662605 - 2¹⁸ = 151066400461 is a prime.

It is a super-2 number, since 2×151066662605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15106666256 + ... + 15106666265.

It is an arithmetic number, because the mean of its divisors is an integer number (45319998783).

Almost surely, 2^151066662605 is an apocalyptic number.

It is an amenable number.

151066662605 is a deficient number, since it is larger than the sum of its proper divisors (30213332527).

151066662605 is an equidigital number, since it uses as much as digits as its factorization.

151066662605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30213332526.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 151066662605 in words is "one hundred fifty-one billion, sixty-six million, six hundred sixty-two thousand, six hundred five".