164140046 has 32 divisors (see below), whose sum is σ = 288722880. Its totient is φ = 68530176.

The previous prime is 164140043. The next prime is 164140051. The reversal of 164140046 is 640041461.

It is a junction number, because it is equal to n+sod(n) for n = 164139997 and 164140024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164140043) by changing a digit.

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, 115790 + ... + 117198.

It is an arithmetic number, because the mean of its divisors is an integer number (9022590).

Almost surely, 2^164140046 is an apocalyptic number.

164140046 is a deficient number, since it is larger than the sum of its proper divisors (124582834).

164140046 is a wasteful number, since it uses less digits than its factorization.

164140046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 164140046 is about 12811.7151857197. The cubic root of 164140046 is about 547.5261301235.

The spelling of 164140046 in words is "one hundred sixty-four million, one hundred forty thousand, forty-six".