64146202651641 has 64 divisors (see below), whose sum is σ = 95023228575744. Its totient is φ = 38164996800000.

The previous prime is 64146202651633. The next prime is 64146202651667. The reversal of 64146202651641 is 14615620264146.

It is not a de Polignac number, because 64146202651641 - 2³ = 64146202651633 is a prime.

It is a super-2 number, since 2×64146202651641² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64146202651681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5701372266 + ... + 5701383516.

It is an arithmetic number, because the mean of its divisors is an integer number (1484737946496).

Almost surely, 2^{64146202651641} is an apocalyptic number.

It is an amenable number.

64146202651641 is a deficient number, since it is larger than the sum of its proper divisors (30877025924103).

64146202651641 is a wasteful number, since it uses less digits than its factorization.

64146202651641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22174.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 64146202651641 in words is "sixty-four trillion, one hundred forty-six billion, two hundred two million, six hundred fifty-one thousand, six hundred forty-one".