151301666213 has 4 divisors (see below), whose sum is σ = 151377584748. Its totient is φ = 151225747680.

The previous prime is 151301666209. The next prime is 151301666249. The reversal of 151301666213 is 312666103151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312666103151 = 739 ⋅423093509.

It can be written as a sum of positive squares in 2 ways, for example, as 138221855524 + 13079810689 = 371782^2 + 114367^2 .

It is a cyclic number.

It is not a de Polignac number, because 151301666213 - 2² = 151301666209 is a prime.

It is a super-2 number, since 2×151301666213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151301666413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37956278 + ... + 37960263.

It is an arithmetic number, because the mean of its divisors is an integer number (37844396187).

Almost surely, 2^151301666213 is an apocalyptic number.

It is an amenable number.

151301666213 is a deficient number, since it is larger than the sum of its proper divisors (75918535).

151301666213 is an equidigital number, since it uses as much as digits as its factorization.

151301666213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75918534.

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 151301666213 its reverse (312666103151), we get a palindrome (463967769364).

The spelling of 151301666213 in words is "one hundred fifty-one billion, three hundred one million, six hundred sixty-six thousand, two hundred thirteen".