64126657151 has 8 divisors (see below), whose sum is σ = 67931763264. Its totient is φ = 60325212160.

The previous prime is 64126657057. The next prime is 64126657159. The reversal of 64126657151 is 15175662146.

It is a happy number.

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 64126657151 - 2²² = 64122462847 is a prime.

It is a super-2 number, since 2×64126657151² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64126657159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879170 + ... + 949311.

It is an arithmetic number, because the mean of its divisors is an integer number (8491470408).

Almost surely, 2^64126657151 is an apocalyptic number.

64126657151 is a deficient number, since it is larger than the sum of its proper divisors (3805106113).

64126657151 is a wasteful number, since it uses less digits than its factorization.

64126657151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830561.

The product of its digits is 302400, while the sum is 44.

The spelling of 64126657151 in words is "sixty-four billion, one hundred twenty-six million, six hundred fifty-seven thousand, one hundred fifty-one".