65551500150 has 24 divisors (see below), whose sum is σ = 162567720744. Its totient is φ = 17480400000.

The previous prime is 65551500137. The next prime is 65551500163. The reversal of 65551500150 is 5100515556.

65551500150 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 (65551500137) and next prime (65551500163).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218504851 + ... + 218505150.

It is an arithmetic number, because the mean of its divisors is an integer number (6773655031).

Almost surely, 2^65551500150 is an apocalyptic number.

65551500150 is an abundant number, since it is smaller than the sum of its proper divisors (97016220594).

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

65551500150 is a wasteful number, since it uses less digits than its factorization.

65551500150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437010016 (or 437010011 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 65551500150 in words is "sixty-five billion, five hundred fifty-one million, five hundred thousand, one hundred fifty".