1602745988 has 12 divisors (see below), whose sum is σ = 2952426960. Its totient is φ = 759195432.

The previous prime is 1602745957. The next prime is 1602745993. The reversal of 1602745988 is 8895472061.

It is a super-2 number, since 2×1602745988² = 5137589404100192288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10544306 + ... + 10544457.

It is an arithmetic number, because the mean of its divisors is an integer number (246035580).

Almost surely, 2^1602745988 is an apocalyptic number.

It is an amenable number.

1602745988 is a deficient number, since it is larger than the sum of its proper divisors (1349680972).

1602745988 is a wasteful number, since it uses less digits than its factorization.

1602745988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21088786 (or 21088784 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1602745988 is about 40034.3101351828. The cubic root of 1602745988 is about 1170.2758226666.

The spelling of 1602745988 in words is "one billion, six hundred two million, seven hundred forty-five thousand, nine hundred eighty-eight".