61801610814 has 24 divisors (see below), whose sum is σ = 134160522912. Its totient is φ = 20560993440.

The previous prime is 61801610797. The next prime is 61801610867. The reversal of 61801610814 is 41801610816.

61801610814 is a `hidden beast` number, since 618 + 0 + 16 + 10 + 8 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3285654 + ... + 3304409.

It is an arithmetic number, because the mean of its divisors is an integer number (5590021788).

Almost surely, 2^61801610814 is an apocalyptic number.

61801610814 is an abundant number, since it is smaller than the sum of its proper divisors (72358912098).

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

61801610814 is a wasteful number, since it uses less digits than its factorization.

61801610814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590592 (or 6590589 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 61801610814 in words is "sixty-one billion, eight hundred one million, six hundred ten thousand, eight hundred fourteen".