163542999622 has 16 divisors (see below), whose sum is σ = 250536832272. Its totient is φ = 80038052640.

The previous prime is 163542999619. The next prime is 163542999637. The reversal of 163542999622 is 226999245361.

It is a super-2 number, since 2×163542999622² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 1787748 + ... + 1876999.

It is an arithmetic number, because the mean of its divisors is an integer number (15658552017).

Almost surely, 2^163542999622 is an apocalyptic number.

163542999622 is a deficient number, since it is larger than the sum of its proper divisors (86993832650).

163542999622 is a wasteful number, since it uses less digits than its factorization.

163542999622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665223.

The product of its digits is 12597120, while the sum is 58.

The spelling of 163542999622 in words is "one hundred sixty-three billion, five hundred forty-two million, nine hundred ninety-nine thousand, six hundred twenty-two".