150666613 has 4 divisors (see below), whose sum is σ = 151142220. Its totient is φ = 150191008.

The previous prime is 150666611. The next prime is 150666617. The reversal of 150666613 is 316666051.

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 24373969 + 126292644 = 4937^2 + 11238^2 .

It is a cyclic number.

It is not a de Polignac number, because 150666613 - 2¹ = 150666611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150666611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237328 + ... + 237961.

It is an arithmetic number, because the mean of its divisors is an integer number (37785555).

Almost surely, 2^150666613 is an apocalyptic number.

It is an amenable number.

150666613 is a deficient number, since it is larger than the sum of its proper divisors (475607).

150666613 is an equidigital number, since it uses as much as digits as its factorization.

150666613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475606.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 150666613 is about 12274.6329069345. The cubic root of 150666613 is about 532.1152126242.

The spelling of 150666613 in words is "one hundred fifty million, six hundred sixty-six thousand, six hundred thirteen".