740164566897 has 12 divisors (see below), whose sum is σ = 1221858967680. Its totient is φ = 422951181048.

The previous prime is 740164566857. The next prime is 740164566917. The reversal of 740164566897 is 798665461047.

It is a happy number.

740164566897 is a `hidden beast` number, since 7 + 4 + 0 + 1 + 64 + 566 + 8 + 9 + 7 = 666.

It is not a de Polignac number, because 740164566897 - 2⁷ = 740164566769 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 11748643919 = 740164566897 / (7 + 4 + 0 + 1 + 6 + 4 + 5 + 6 + 6 + 8 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (740164566857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5874321897 + ... + 5874322022.

It is an arithmetic number, because the mean of its divisors is an integer number (101821580640).

Almost surely, 2^740164566897 is an apocalyptic number.

It is an amenable number.

740164566897 is a deficient number, since it is larger than the sum of its proper divisors (481694400783).

740164566897 is a wasteful number, since it uses less digits than its factorization.

740164566897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748643932 (or 11748643929 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 740164566897 in words is "seven hundred forty billion, one hundred sixty-four million, five hundred sixty-six thousand, eight hundred ninety-seven".