64498080670 has 32 divisors (see below), whose sum is σ = 117168869088. Its totient is φ = 25561663488.

The previous prime is 64498080611. The next prime is 64498080737. The reversal of 64498080670 is 7608089446.

It is a happy number.

64498080670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64498080670² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671502 + ... + 761518.

It is an arithmetic number, because the mean of its divisors is an integer number (3661527159).

Almost surely, 2^64498080670 is an apocalyptic number.

64498080670 is a deficient number, since it is larger than the sum of its proper divisors (52670788418).

64498080670 is a wasteful number, since it uses less digits than its factorization.

64498080670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90684.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 64498080670 in words is "sixty-four billion, four hundred ninety-eight million, eighty thousand, six hundred seventy".