1606490074 has 8 divisors (see below), whose sum is σ = 2753983008. Its totient is φ = 688495740.

The previous prime is 1606490063. The next prime is 1606490077. The reversal of 1606490074 is 4700946061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1606490077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57374632 + ... + 57374659.

It is an arithmetic number, because the mean of its divisors is an integer number (344247876).

Almost surely, 2^1606490074 is an apocalyptic number.

1606490074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1606490074 is a deficient number, since it is larger than the sum of its proper divisors (1147492934).

1606490074 is a wasteful number, since it uses less digits than its factorization.

1606490074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114749300.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1606490074 is about 40081.0438237329. The cubic root of 1606490074 is about 1171.1863861404.

The spelling of 1606490074 in words is "one billion, six hundred six million, four hundred ninety thousand, seventy-four".