1662546655 has 48 divisors (see below), whose sum is σ = 2592797760. Its totient is φ = 1000581120.

The previous prime is 1662546653. The next prime is 1662546659. The reversal of 1662546655 is 5566452661.

It is not a de Polignac number, because 1662546655 - 2¹ = 1662546653 is a prime.

It is a super-2 number, since 2×1662546655² = 5528122760103378050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662546653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116047 + ... + 129583.

It is an arithmetic number, because the mean of its divisors is an integer number (54016620).

Almost surely, 2^1662546655 is an apocalyptic number.

1662546655 is a deficient number, since it is larger than the sum of its proper divisors (930251105).

1662546655 is a wasteful number, since it uses less digits than its factorization.

1662546655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600 (or 13589 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The square root of 1662546655 is about 40774.3381920541. The cubic root of 1662546655 is about 1184.6533325756.

The spelling of 1662546655 in words is "one billion, six hundred sixty-two million, five hundred forty-six thousand, six hundred fifty-five".