141640660 has 24 divisors (see below), whose sum is σ = 339937920. Its totient is φ = 48562464.

The previous prime is 141640637. The next prime is 141640663. The reversal of 141640660 is 66046141.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141640663) 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, 505720 + ... + 505999.

It is an arithmetic number, because the mean of its divisors is an integer number (14164080).

Almost surely, 2^141640660 is an apocalyptic number.

141640660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141640660 is an abundant number, since it is smaller than the sum of its proper divisors (198297260).

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

141640660 is a wasteful number, since it uses less digits than its factorization.

141640660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011735 (or 1011733 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 141640660 is about 11901.2881655727. The cubic root of 141640660 is about 521.2698991957.

The spelling of 141640660 in words is "one hundred forty-one million, six hundred forty thousand, six hundred sixty".