61795049816 has 8 divisors (see below), whose sum is σ = 115865718420. Its totient is φ = 30897524904.

The previous prime is 61795049809. The next prime is 61795049839. The reversal of 61795049816 is 61894059716.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3862190606 + ... + 3862190621.

Almost surely, 2^61795049816 is an apocalyptic number.

It is an amenable number.

61795049816 is a deficient number, since it is larger than the sum of its proper divisors (54070668604).

61795049816 is a wasteful number, since it uses less digits than its factorization.

61795049816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7724381233 (or 7724381229 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

It can be divided in two parts, 617950 and 49816, that added together give a palindrome (667766).

The spelling of 61795049816 in words is "sixty-one billion, seven hundred ninety-five million, forty-nine thousand, eight hundred sixteen".