645414635160 has 96 divisors (see below), whose sum is σ = 2142227355840. Its totient is φ = 168448637952.

The previous prime is 645414635153. The next prime is 645414635167. The reversal of 645414635160 is 61536414546.

645414635160 is a `hidden beast` number, since 6 + 4 + 5 + 4 + 1 + 4 + 635 + 1 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (645414635153) and next prime (645414635167).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645414635167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19055617 + ... + 19089456.

It is an arithmetic number, because the mean of its divisors is an integer number (22314868290).

Almost surely, 2^645414635160 is an apocalyptic number.

645414635160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

645414635160 is an abundant number, since it is smaller than the sum of its proper divisors (1496812720680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

645414635160 is a wasteful number, since it uses less digits than its factorization.

645414635160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38145137 (or 38145130 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 645414635160 in words is "six hundred forty-five billion, four hundred fourteen million, six hundred thirty-five thousand, one hundred sixty".