61516006 has 12 divisors (see below), whose sum is σ = 93055068. Its totient is φ = 30499812.

The previous prime is 61515967. The next prime is 61516051. The reversal of 61516006 is 60061516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31305 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (7754589).

Almost surely, 2^61516006 is an apocalyptic number.

61516006 is a deficient number, since it is larger than the sum of its proper divisors (31539062).

61516006 is a wasteful number, since it uses less digits than its factorization.

61516006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61516006 is about 7843.2140095754. The cubic root of 61516006 is about 394.7565791781.

The spelling of 61516006 in words is "sixty-one million, five hundred sixteen thousand, six".