61837081348 has 48 divisors (see below), whose sum is σ = 127499411200. Its totient is φ = 26228337408.

The previous prime is 61837081333. The next prime is 61837081373. The reversal of 61837081348 is 84318073816.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99240 + ... + 365407.

Almost surely, 2^61837081348 is an apocalyptic number.

It is an amenable number.

61837081348 is an abundant number, since it is smaller than the sum of its proper divisors (65662329852).

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

61837081348 is a wasteful number, since it uses less digits than its factorization.

61837081348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464769 (or 464753 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 61837081348 in words is "sixty-one billion, eight hundred thirty-seven million, eighty-one thousand, three hundred forty-eight".