64156818101 has 8 divisors (see below), whose sum is σ = 65537596800. Its totient is φ = 62776695328.

The previous prime is 64156818073. The next prime is 64156818107. The reversal of 64156818101 is 10181865146.

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

It is a cyclic number.

It is not a de Polignac number, because 64156818101 - 2²² = 64152623797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64156818107) 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, 36350 + ... + 360048.

It is an arithmetic number, because the mean of its divisors is an integer number (8192199600).

Almost surely, 2^64156818101 is an apocalyptic number.

It is an amenable number.

64156818101 is a deficient number, since it is larger than the sum of its proper divisors (1380778699).

64156818101 is a wasteful number, since it uses less digits than its factorization.

64156818101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327963.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 64156818101 in words is "sixty-four billion, one hundred fifty-six million, eight hundred eighteen thousand, one hundred one".