1681932624 has 40 divisors (see below), whose sum is σ = 4409851680. Its totient is φ = 552275328.

The previous prime is 1681932607. The next prime is 1681932641. The reversal of 1681932624 is 4262391861.

It is an interprime number because it is at equal distance from previous prime (1681932607) and next prime (1681932641).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258279 + ... + 264710.

It is an arithmetic number, because the mean of its divisors is an integer number (110246292).

Almost surely, 2^1681932624 is an apocalyptic number.

It is an amenable number.

1681932624 is an abundant number, since it is smaller than the sum of its proper divisors (2727919056).

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

1681932624 is a wasteful number, since it uses less digits than its factorization.

1681932624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523067 (or 523061 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 1681932624 is about 41011.3718863439. The cubic root of 1681932624 is about 1189.2400637320.

The spelling of 1681932624 in words is "one billion, six hundred eighty-one million, nine hundred thirty-two thousand, six hundred twenty-four".