64551796037 has 8 divisors (see below), whose sum is σ = 66434817504. Its totient is φ = 62686129968.

The previous prime is 64551796033. The next prime is 64551796051. The reversal of 64551796037 is 73069715546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64551796037 - 2² = 64551796033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64551796037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64551796033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4331303 + ... + 4346180.

It is an arithmetic number, because the mean of its divisors is an integer number (8304352188).

Almost surely, 2^64551796037 is an apocalyptic number.

It is an amenable number.

64551796037 is a deficient number, since it is larger than the sum of its proper divisors (1883021467).

64551796037 is a wasteful number, since it uses less digits than its factorization.

64551796037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677699.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 64551796037 in words is "sixty-four billion, five hundred fifty-one million, seven hundred ninety-six thousand, thirty-seven".