1246544164 has 6 divisors (see below), whose sum is σ = 2181452294. Its totient is φ = 623272080.

The previous prime is 1246544161. The next prime is 1246544183. The reversal of 1246544164 is 4614456421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1182672100 + 63872064 = 34390^2 + 7992^2 .

It is not an unprimeable number, because it can be changed into a prime (1246544161) 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 as a sum of consecutive naturals, namely, 155818017 + ... + 155818024.

Almost surely, 2^1246544164 is an apocalyptic number.

It is an amenable number.

1246544164 is a deficient number, since it is larger than the sum of its proper divisors (934908130).

1246544164 is a wasteful number, since it uses less digits than its factorization.

1246544164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311636045 (or 311636043 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 1246544164 is about 35306.4323318004. The cubic root of 1246544164 is about 1076.2237123693.

The spelling of 1246544164 in words is "one billion, two hundred forty-six million, five hundred forty-four thousand, one hundred sixty-four".