163426540415 has 32 divisors (see below), whose sum is σ = 202521876480. Its totient is φ = 126558342144.

The previous prime is 163426540399. The next prime is 163426540427. The reversal of 163426540415 is 514045624361.

It is a cyclic number.

It is not a de Polignac number, because 163426540415 - 2⁴ = 163426540399 is a prime.

It is a super-2 number, since 2×163426540415² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4079774 + ... + 4119636.

It is an arithmetic number, because the mean of its divisors is an integer number (6328808640).

Almost surely, 2^163426540415 is an apocalyptic number.

163426540415 is a deficient number, since it is larger than the sum of its proper divisors (39095336065).

163426540415 is a wasteful number, since it uses less digits than its factorization.

163426540415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40151.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 163426540415 in words is "one hundred sixty-three billion, four hundred twenty-six million, five hundred forty thousand, four hundred fifteen".