615664141 has 8 divisors (see below), whose sum is σ = 623041664. Its totient is φ = 608307840.

The previous prime is 615664121. The next prime is 615664151. The reversal of 615664141 is 141466516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 615664141 - 2⁵ = 615664109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 615664097 and 615664106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615664111) 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, 57436 + ... + 67306.

It is an arithmetic number, because the mean of its divisors is an integer number (77880208).

Almost surely, 2^615664141 is an apocalyptic number.

It is an amenable number.

615664141 is a deficient number, since it is larger than the sum of its proper divisors (7377523).

615664141 is an equidigital number, since it uses as much as digits as its factorization.

615664141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611.

The product of its digits is 17280, while the sum is 34.

The square root of 615664141 is about 24812.5802970993. The cubic root of 615664141 is about 850.7095072533.

The spelling of 615664141 in words is "six hundred fifteen million, six hundred sixty-four thousand, one hundred forty-one".