101640150 has 48 divisors (see below), whose sum is σ = 280078800. Its totient is φ = 27103680.

The previous prime is 101640137. The next prime is 101640193. The reversal of 101640150 is 51046101.

101640150 is a `hidden beast` number, since 10 + 1 + 640 + 15 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 36295 + ... + 38994.

It is an arithmetic number, because the mean of its divisors is an integer number (5834975).

Almost surely, 2^101640150 is an apocalyptic number.

101640150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101640150 is an abundant number, since it is smaller than the sum of its proper divisors (178438650).

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

101640150 is a wasteful number, since it uses less digits than its factorization.

101640150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75310 (or 75299 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 101640150 is about 10081.6739681464. The cubic root of 101640150 is about 466.6827687188.

Adding to 101640150 its reverse (51046101), we get a palindrome (152686251).

The spelling of 101640150 in words is "one hundred one million, six hundred forty thousand, one hundred fifty".