1606213152 has 60 divisors (see below), whose sum is σ = 4723835886. Its totient is φ = 535403520.

The previous prime is 1606213151. The next prime is 1606213237. The reversal of 1606213152 is 2513126061.

1606213152 is a `hidden beast` number, since 1 + 6 + 0 + 621 + 31 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1599680016 + 6533136 = 39996^2 + 2556^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1606213151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 307249 + ... + 312432.

Almost surely, 2^1606213152 is an apocalyptic number.

1606213152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1606213152 is an abundant number, since it is smaller than the sum of its proper divisors (3117622734).

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

1606213152 is an equidigital number, since it uses as much as digits as its factorization.

1606213152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619703 (or 619686 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1606213152 is about 40077.5891490494. The cubic root of 1606213152 is about 1171.1190870600.

The spelling of 1606213152 in words is "one billion, six hundred six million, two hundred thirteen thousand, one hundred fifty-two".