64151415146 has 48 divisors (see below), whose sum is σ = 121066198344. Its totient is φ = 25269543936.

The previous prime is 64151415121. The next prime is 64151415179.

64151415146 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 19948455121 + 44202960025 = 141239^2 + 210245^2 .

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 23 ways as a sum of consecutive naturals, for example, 188786 + ... + 404898.

Almost surely, 2^64151415146 is an apocalyptic number.

64151415146 is a deficient number, since it is larger than the sum of its proper divisors (56914783198).

64151415146 is a wasteful number, since it uses less digits than its factorization.

64151415146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216375 (or 216368 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The spelling of 64151415146 in words is "sixty-four billion, one hundred fifty-one million, four hundred fifteen thousand, one hundred forty-six".