64146653 has 4 divisors (see below), whose sum is σ = 64284480. Its totient is φ = 64008828.

The previous prime is 64146631. The next prime is 64146659. The reversal of 64146653 is 35664146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64146653 - 2¹² = 64142557 is a prime.

It is a super-2 number, since 2×64146653² = 8229586182204818, which 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 (64146659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68213 + ... + 69146.

It is an arithmetic number, because the mean of its divisors is an integer number (16071120).

Almost surely, 2^64146653 is an apocalyptic number.

It is an amenable number.

64146653 is a deficient number, since it is larger than the sum of its proper divisors (137827).

64146653 is a wasteful number, since it uses less digits than its factorization.

64146653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137826.

The product of its digits is 51840, while the sum is 35.

The square root of 64146653 is about 8009.1605677499. The cubic root of 64146653 is about 400.3052940130.

The spelling of 64146653 in words is "sixty-four million, one hundred forty-six thousand, six hundred fifty-three".