616213501 has 8 divisors (see below), whose sum is σ = 652791744. Its totient is φ = 579672000.

The previous prime is 616213459. The next prime is 616213511. The reversal of 616213501 is 105312616.

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 616213501 - 2¹³ = 616205309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616213511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30216 + ... + 46318.

It is an arithmetic number, because the mean of its divisors is an integer number (81598968).

Almost surely, 2^616213501 is an apocalyptic number.

It is an amenable number.

616213501 is a deficient number, since it is larger than the sum of its proper divisors (36578243).

616213501 is a wasteful number, since it uses less digits than its factorization.

616213501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18371.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 616213501 is about 24823.6480195800. The cubic root of 616213501 is about 850.9624627246.

The spelling of 616213501 in words is "six hundred sixteen million, two hundred thirteen thousand, five hundred one".