660007150 has 48 divisors (see below), whose sum is σ = 1418011920. Its totient is φ = 225881600.

The previous prime is 660007141. The next prime is 660007171. The reversal of 660007150 is 51700066.

It is a super-2 number, since 2×660007150² = 871218876102245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25945 + ... + 44644.

It is an arithmetic number, because the mean of its divisors is an integer number (29541915).

Almost surely, 2^660007150 is an apocalyptic number.

660007150 is an abundant number, since it is smaller than the sum of its proper divisors (758004770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660007150 is a wasteful number, since it uses less digits than its factorization.

660007150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70629 (or 70624 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 660007150 is about 25690.6043136396. The cubic root of 660007150 is about 870.6619131516.

The spelling of 660007150 in words is "six hundred sixty million, seven thousand, one hundred fifty".