106640252 has 24 divisors (see below), whose sum is σ = 199057824. Its totient is φ = 49812992.

The previous prime is 106640251. The next prime is 106640257. The reversal of 106640252 is 252046601.

It is a super-2 number, since 2×106640252² = 22744286693247008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106640251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (8294076).

Almost surely, 2^106640252 is an apocalyptic number.

It is an amenable number.

106640252 is a deficient number, since it is larger than the sum of its proper divisors (92417572).

106640252 is a wasteful number, since it uses less digits than its factorization.

106640252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11605 (or 11603 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 106640252 is about 10326.6767161561. The cubic root of 106640252 is about 474.2132898038.

Adding to 106640252 its reverse (252046601), we get a palindrome (358686853).

The spelling of 106640252 in words is "one hundred six million, six hundred forty thousand, two hundred fifty-two".