641614152 has 16 divisors (see below), whose sum is σ = 1604035440. Its totient is φ = 213871376.

The previous prime is 641614147. The next prime is 641614157. The reversal of 641614152 is 251416146.

It is an interprime number because it is at equal distance from previous prime (641614147) and next prime (641614157).

It is not an unprimeable number, because it can be changed into a prime (641614157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13366938 + ... + 13366985.

It is an arithmetic number, because the mean of its divisors is an integer number (100252215).

Almost surely, 2^641614152 is an apocalyptic number.

It is an amenable number.

641614152 is an abundant number, since it is smaller than the sum of its proper divisors (962421288).

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

641614152 is a wasteful number, since it uses less digits than its factorization.

641614152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26733932 (or 26733928 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 641614152 is about 25330.1036713236. The cubic root of 641614152 is about 862.4977646655.

The spelling of 641614152 in words is "six hundred forty-one million, six hundred fourteen thousand, one hundred fifty-two".