64621402106 has 8 divisors (see below), whose sum is σ = 96938856000. Its totient is φ = 32308450108.

The previous prime is 64621402057. The next prime is 64621402127. The reversal of 64621402106 is 60120412646.

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

It is a super-2 number, since 2×64621402106² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089356 + ... + 1147143.

It is an arithmetic number, because the mean of its divisors is an integer number (12117357000).

Almost surely, 2^64621402106 is an apocalyptic number.

64621402106 is a deficient number, since it is larger than the sum of its proper divisors (32317453894).

64621402106 is a wasteful number, since it uses less digits than its factorization.

64621402106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250948.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 64621402106 in words is "sixty-four billion, six hundred twenty-one million, four hundred two thousand, one hundred six".