61206856216 has 32 divisors (see below), whose sum is σ = 125390664000. Its totient is φ = 27778004640.

The previous prime is 61206856201. The next prime is 61206856231. The reversal of 61206856216 is 61265860216.

It is an interprime number because it is at equal distance from previous prime (61206856201) and next prime (61206856231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484266 + ... + 597433.

It is an arithmetic number, because the mean of its divisors is an integer number (3918458250).

Almost surely, 2^61206856216 is an apocalyptic number.

It is an amenable number.

61206856216 is an abundant number, since it is smaller than the sum of its proper divisors (64183807784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61206856216 is a wasteful number, since it uses less digits than its factorization.

61206856216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082359 (or 1082355 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 61206856216 in words is "sixty-one billion, two hundred six million, eight hundred fifty-six thousand, two hundred sixteen".