1206404164 has 24 divisors (see below), whose sum is σ = 2539799360. Its totient is φ = 489818016.

The previous prime is 1206404149. The next prime is 1206404189. The reversal of 1206404164 is 4614046021.

It is a super-2 number, since 2×1206404164² = 2910822013833077792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1133307 + ... + 1134370.

Almost surely, 2^1206404164 is an apocalyptic number.

1206404164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1206404164 is an abundant number, since it is smaller than the sum of its proper divisors (1333395196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206404164 is a wasteful number, since it uses less digits than its factorization.

1206404164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267707 (or 2267705 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1206404164 is about 34733.3292962250. The cubic root of 1206404164 is about 1064.5456161518.

The spelling of 1206404164 in words is "one billion, two hundred six million, four hundred four thousand, one hundred sixty-four".