616173406 has 16 divisors (see below), whose sum is σ = 946379664. Its totient is φ = 300795264.

The previous prime is 616173361. The next prime is 616173409. The reversal of 616173406 is 604371616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616173409) 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, 5205 + ... + 35488.

It is an arithmetic number, because the mean of its divisors is an integer number (59148729).

Almost surely, 2^616173406 is an apocalyptic number.

616173406 is a deficient number, since it is larger than the sum of its proper divisors (330206258).

616173406 is a wasteful number, since it uses less digits than its factorization.

616173406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 616173406 is about 24822.8404095905. The cubic root of 616173406 is about 850.9440058748.

The spelling of 616173406 in words is "six hundred sixteen million, one hundred seventy-three thousand, four hundred six".