616769553 has 8 divisors (see below), whose sum is σ = 830837728. Its totient is φ = 406940544.

The previous prime is 616769513. The next prime is 616769561. The reversal of 616769553 is 355967616.

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

It is not a de Polignac number, because 616769553 - 2¹³ = 616761361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616769513) 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, 1059451 + ... + 1060032.

It is an arithmetic number, because the mean of its divisors is an integer number (103854716).

Almost surely, 2^616769553 is an apocalyptic number.

It is an amenable number.

616769553 is a deficient number, since it is larger than the sum of its proper divisors (214068175).

616769553 is a wasteful number, since it uses less digits than its factorization.

616769553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119583.

The product of its digits is 1020600, while the sum is 48.

The square root of 616769553 is about 24834.8455400874. The cubic root of 616769553 is about 851.2183465064.

The spelling of 616769553 in words is "six hundred sixteen million, seven hundred sixty-nine thousand, five hundred fifty-three".