1663252476 has 48 divisors (see below), whose sum is σ = 4090584960. Its totient is φ = 524543040.

The previous prime is 1663252471. The next prime is 1663252483. The reversal of 1663252476 is 6742523661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663252471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184146 + ... + 192966.

It is an arithmetic number, because the mean of its divisors is an integer number (85220520).

Almost surely, 2^1663252476 is an apocalyptic number.

It is an amenable number.

1663252476 is an abundant number, since it is smaller than the sum of its proper divisors (2427332484).

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

1663252476 is a wasteful number, since it uses less digits than its factorization.

1663252476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674 (or 9672 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 1663252476 is about 40782.9924846130. The cubic root of 1663252476 is about 1184.8209539168.

The spelling of 1663252476 in words is "one billion, six hundred sixty-three million, two hundred fifty-two thousand, four hundred seventy-six".