101690544 has 40 divisors (see below), whose sum is σ = 274125312. Its totient is φ = 32422720.

The previous prime is 101690543. The next prime is 101690581. The reversal of 101690544 is 445096101.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (101690543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44952 + ... + 47159.

Almost surely, 2^101690544 is an apocalyptic number.

It is an amenable number.

101690544 is an abundant number, since it is smaller than the sum of its proper divisors (172434768).

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

101690544 is a wasteful number, since it uses less digits than its factorization.

101690544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92145 (or 92139 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 101690544 is about 10084.1729457601. The cubic root of 101690544 is about 466.7598843262.

The spelling of 101690544 in words is "one hundred one million, six hundred ninety thousand, five hundred forty-four".