163426540354 has 32 divisors (see below), whose sum is σ = 306083177856. Its totient is φ = 63578027520.

The previous prime is 163426540301. The next prime is 163426540399. The reversal of 163426540354 is 453045624361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 163426540354.

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, 684777 + ... + 892060.

It is an arithmetic number, because the mean of its divisors is an integer number (9565099308).

Almost surely, 2^163426540354 is an apocalyptic number.

163426540354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

163426540354 is a deficient number, since it is larger than the sum of its proper divisors (142656637502).

163426540354 is a wasteful number, since it uses less digits than its factorization.

163426540354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577530.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 163426540354 in words is "one hundred sixty-three billion, four hundred twenty-six million, five hundred forty thousand, three hundred fifty-four".