616542101 has 8 divisors (see below), whose sum is σ = 705118080. Its totient is φ = 528090768.

The previous prime is 616542089. The next prime is 616542103. The reversal of 616542101 is 101245616.

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 616542101 - 2⁶ = 616542037 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 (616542103) 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, 20306 + ... + 40563.

It is an arithmetic number, because the mean of its divisors is an integer number (88139760).

Almost surely, 2^616542101 is an apocalyptic number.

It is an amenable number.

616542101 is a deficient number, since it is larger than the sum of its proper divisors (88575979).

616542101 is a wasteful number, since it uses less digits than its factorization.

616542101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62323.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 616542101 is about 24830.2658262049. The cubic root of 616542101 is about 851.1136963340.

Adding to 616542101 its reverse (101245616), we get a palindrome (717787717).

The spelling of 616542101 in words is "six hundred sixteen million, five hundred forty-two thousand, one hundred one".