150666553 has 8 divisors (see below), whose sum is σ = 154900160. Its totient is φ = 146441520.

The previous prime is 150666547. The next prime is 150666557. The reversal of 150666553 is 355666051.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150666553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150666557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52588 + ... + 55378.

It is an arithmetic number, because the mean of its divisors is an integer number (19362520).

Almost surely, 2^150666553 is an apocalyptic number.

It is an amenable number.

150666553 is a deficient number, since it is larger than the sum of its proper divisors (4233607).

150666553 is a wasteful number, since it uses less digits than its factorization.

150666553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 150666553 is about 12274.6304628693. The cubic root of 150666553 is about 532.1151419894.

The spelling of 150666553 in words is "one hundred fifty million, six hundred sixty-six thousand, five hundred fifty-three".