1001000169 has 24 divisors (see below), whose sum is σ = 1575887040. Its totient is φ = 608572512.

The previous prime is 1001000159. The next prime is 1001000173. The reversal of 1001000169 is 9610001001.

It is not a de Polignac number, because 1001000169 - 2⁸ = 1000999913 is a prime.

It is a super-2 number, since 2×1001000169² = 2004002676676057122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001000159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41829 + ... + 61250.

It is an arithmetic number, because the mean of its divisors is an integer number (65661960).

Almost surely, 2^1001000169 is an apocalyptic number.

It is an amenable number.

1001000169 is a deficient number, since it is larger than the sum of its proper divisors (574886871).

1001000169 is a wasteful number, since it uses less digits than its factorization.

1001000169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103181 (or 103178 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1001000169 is about 31638.5867099022. The cubic root of 1001000169 is about 1000.3332785797. Note that the first 3 decimals are identical.

It can be divided in two parts, 100100016 and 9, that added together give a square (100100025 = 10005²).

The spelling of 1001000169 in words is "one billion, one million, one hundred sixty-nine", and thus it is an aban number.