1427161684 has 48 divisors (see below), whose sum is σ = 2828327040. Its totient is φ = 625173120.

The previous prime is 1427161667. The next prime is 1427161691. The reversal of 1427161684 is 4861617241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152122 + ... + 161230.

It is an arithmetic number, because the mean of its divisors is an integer number (58923480).

Almost surely, 2^1427161684 is an apocalyptic number.

It is an amenable number.

1427161684 is a deficient number, since it is larger than the sum of its proper divisors (1401165356).

1427161684 is a wasteful number, since it uses less digits than its factorization.

1427161684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280 (or 9278 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 1427161684 is about 37777.7935300621. The cubic root of 1427161684 is about 1125.8772900864.

It can be divided in two parts, 142716 and 1684, that added together give a square (144400 = 380²).

The spelling of 1427161684 in words is "one billion, four hundred twenty-seven million, one hundred sixty-one thousand, six hundred eighty-four".