1071669406 has 16 divisors (see below), whose sum is σ = 1722733344. Its totient is φ = 498684384.

The previous prime is 1071669397. The next prime is 1071669413. The reversal of 1071669406 is 6049661701.

It is a super-2 number, since 2×1071669406² = 2296950631512785672, which 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, 313125 + ... + 316528.

It is an arithmetic number, because the mean of its divisors is an integer number (107670834).

Almost surely, 2^1071669406 is an apocalyptic number.

1071669406 is a deficient number, since it is larger than the sum of its proper divisors (651063938).

1071669406 is a wasteful number, since it uses less digits than its factorization.

1071669406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629715.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1071669406 is about 32736.3621375375. The cubic root of 1071669406 is about 1023.3407717549.

The spelling of 1071669406 in words is "one billion, seventy-one million, six hundred sixty-nine thousand, four hundred six".