141664740 has 96 divisors (see below), whose sum is σ = 480017664. Its totient is φ = 30474240.

The previous prime is 141664709. The next prime is 141664759. The reversal of 141664740 is 47466141.

141664740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2781 + ... + 17060.

It is an arithmetic number, because the mean of its divisors is an integer number (5000184).

Almost surely, 2^141664740 is an apocalyptic number.

141664740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141664740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240008832).

141664740 is an abundant number, since it is smaller than the sum of its proper divisors (338352924).

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

141664740 is a wasteful number, since it uses less digits than its factorization.

141664740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19877 (or 19875 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 141664740 is about 11902.2997777740. The cubic root of 141664740 is about 521.2994374839.

The spelling of 141664740 in words is "one hundred forty-one million, six hundred sixty-four thousand, seven hundred forty".