660952149 has 16 divisors (see below), whose sum is σ = 1035338304. Its totient is φ = 369763200.

The previous prime is 660952109. The next prime is 660952189. The reversal of 660952149 is 941259066.

It is a happy number.

660952149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (660952109) and next prime (660952189).

It is not a de Polignac number, because 660952149 - 2¹³ = 660943957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660952149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660952109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769912 + ... + 770769.

It is an arithmetic number, because the mean of its divisors is an integer number (64708644).

Almost surely, 2^660952149 is an apocalyptic number.

It is an amenable number.

660952149 is a deficient number, since it is larger than the sum of its proper divisors (374386155).

660952149 is a wasteful number, since it uses less digits than its factorization.

660952149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540708.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 660952149 is about 25708.9896534267. The cubic root of 660952149 is about 871.0772532309.

The spelling of 660952149 in words is "six hundred sixty million, nine hundred fifty-two thousand, one hundred forty-nine".