164143748 has 6 divisors (see below), whose sum is σ = 287251566. Its totient is φ = 82071872.

The previous prime is 164143747. The next prime is 164143753. The reversal of 164143748 is 847341461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 134745664 + 29398084 = 11608^2 + 5422^2 .

It is not an unprimeable number, because it can be changed into a prime (164143747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20517965 + ... + 20517972.

It is an arithmetic number, because the mean of its divisors is an integer number (47875261).

Almost surely, 2^164143748 is an apocalyptic number.

It is an amenable number.

164143748 is a deficient number, since it is larger than the sum of its proper divisors (123107818).

164143748 is a wasteful number, since it uses less digits than its factorization.

164143748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41035941 (or 41035939 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 164143748 is about 12811.8596620475. The cubic root of 164143748 is about 547.5302463778.

The spelling of 164143748 in words is "one hundred sixty-four million, one hundred forty-three thousand, seven hundred forty-eight".