1606454928 has 60 divisors (see below), whose sum is σ = 4841682300. Its totient is φ = 494293248.

The previous prime is 1606454917. The next prime is 1606454939. The reversal of 1606454928 is 8294546061.

It is an interprime number because it is at equal distance from previous prime (1606454917) and next prime (1606454939).

It can be written as a sum of positive squares in 2 ways, for example, as 669360384 + 937094544 = 25872^2 + 30612^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427203 + ... + 430946.

It is an arithmetic number, because the mean of its divisors is an integer number (80694705).

Almost surely, 2^1606454928 is an apocalyptic number.

1606454928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1606454928 is an abundant number, since it is smaller than the sum of its proper divisors (3235227372).

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

1606454928 is a wasteful number, since it uses less digits than its factorization.

1606454928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858176 (or 858167 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 1606454928 is about 40080.6053846496. The cubic root of 1606454928 is about 1171.1778451981.

The spelling of 1606454928 in words is "one billion, six hundred six million, four hundred fifty-four thousand, nine hundred twenty-eight".