61516250366 has 4 divisors (see below), whose sum is σ = 92274375552. Its totient is φ = 30758125182.

The previous prime is 61516250293. The next prime is 61516250401. The reversal of 61516250366 is 66305261516.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15379062590 + ... + 15379062593.

It is an arithmetic number, because the mean of its divisors is an integer number (23068593888).

Almost surely, 2^61516250366 is an apocalyptic number.

61516250366 is a deficient number, since it is larger than the sum of its proper divisors (30758125186).

61516250366 is a wasteful number, since it uses less digits than its factorization.

61516250366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30758125185.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 61516250366 in words is "sixty-one billion, five hundred sixteen million, two hundred fifty thousand, three hundred sixty-six".