1606217456 has 10 divisors (see below), whose sum is σ = 3112046352. Its totient is φ = 803108720.

The previous prime is 1606217453. The next prime is 1606217479. The reversal of 1606217456 is 6547126061.

It is a super-2 number, since 2×1606217456² = 5159869031918223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606217453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50194280 + ... + 50194311.

Almost surely, 2^1606217456 is an apocalyptic number.

1606217456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1606217456 is a deficient number, since it is larger than the sum of its proper divisors (1505828896).

1606217456 is a wasteful number, since it uses less digits than its factorization.

1606217456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100388599 (or 100388593 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1606217456 is about 40077.6428448580. The cubic root of 1606217456 is about 1171.1201331005.

The spelling of 1606217456 in words is "one billion, six hundred six million, two hundred seventeen thousand, four hundred fifty-six".