616621054 has 8 divisors (see below), whose sum is σ = 1057064688. Its totient is φ = 264266160.

The previous prime is 616621051. The next prime is 616621069. The reversal of 616621054 is 450126616.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616621051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22022167 + ... + 22022194.

It is an arithmetic number, because the mean of its divisors is an integer number (132133086).

Almost surely, 2^616621054 is an apocalyptic number.

616621054 is a deficient number, since it is larger than the sum of its proper divisors (440443634).

616621054 is a wasteful number, since it uses less digits than its factorization.

616621054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44044370.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 616621054 is about 24831.8556294128. The cubic root of 616621054 is about 851.1500253542.

The spelling of 616621054 in words is "six hundred sixteen million, six hundred twenty-one thousand, fifty-four".