675616405 has 8 divisors (see below), whose sum is σ = 811265184. Its totient is φ = 540142800.

The previous prime is 675616339. The next prime is 675616423. The reversal of 675616405 is 504616576.

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

It is not a de Polignac number, because 675616405 - 2²⁹ = 138745493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35151 + ... + 50860.

It is an arithmetic number, because the mean of its divisors is an integer number (101408148).

Almost surely, 2^675616405 is an apocalyptic number.

It is an amenable number.

675616405 is a deficient number, since it is larger than the sum of its proper divisors (135648779).

675616405 is a wasteful number, since it uses less digits than its factorization.

675616405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87587.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 675616405 is about 25992.6221262881. The cubic root of 675616405 is about 877.4722593590.

The spelling of 675616405 in words is "six hundred seventy-five million, six hundred sixteen thousand, four hundred five".