163245533511 has 16 divisors (see below), whose sum is σ = 220126093920. Its totient is φ = 107600707200.

The previous prime is 163245533509. The next prime is 163245533527. The reversal of 163245533511 is 115335542361.

It is not a de Polignac number, because 163245533511 - 2¹ = 163245533509 is a prime.

It is a super-2 number, since 2×163245533511² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163245533511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163245534511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165120 + ... + 594773.

It is an arithmetic number, because the mean of its divisors is an integer number (13757880870).

Almost surely, 2^163245533511 is an apocalyptic number.

163245533511 is a deficient number, since it is larger than the sum of its proper divisors (56880560409).

163245533511 is a wasteful number, since it uses less digits than its factorization.

163245533511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760706.

The product of its digits is 162000, while the sum is 39.

The spelling of 163245533511 in words is "one hundred sixty-three billion, two hundred forty-five million, five hundred thirty-three thousand, five hundred eleven".