616069579801 has 27 divisors (see below), whose sum is σ = 672911414199. Its totient is φ = 563772411072.

The previous prime is 616069579759. The next prime is 616069579823. The reversal of 616069579801 is 108975960616.

The square root of 616069579801 is 784901.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 117718296201 + 498351283600 = 343101^2 + 705940^2 .

It is not a de Polignac number, because 616069579801 - 2¹⁹ = 616069055513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616069571801) 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 26 ways as a sum of consecutive naturals, for example, 1765242175 + ... + 1765242523.

Almost surely, 2^616069579801 is an apocalyptic number.

616069579801 is the 784901-st square number.

616069579801 is the 392451-st centered octagonal number.

It is an amenable number.

616069579801 is a deficient number, since it is larger than the sum of its proper divisors (56841834398).

616069579801 is an frugal number, since it uses more digits than its factorization.

616069579801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The spelling of 616069579801 in words is "six hundred sixteen billion, sixty-nine million, five hundred seventy-nine thousand, eight hundred one".