1637630052 has 48 divisors (see below), whose sum is σ = 3881001600. Its totient is φ = 537349120.

The previous prime is 1637630051. The next prime is 1637630081. The reversal of 1637630052 is 2500367361.

It is a junction number, because it is equal to n+sod(n) for n = 1637629995 and 1637630022.

It is not an unprimeable number, because it can be changed into a prime (1637630051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790474 + ... + 792542.

It is an arithmetic number, because the mean of its divisors is an integer number (80854200).

Almost surely, 2^1637630052 is an apocalyptic number.

1637630052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1637630052 is an abundant number, since it is smaller than the sum of its proper divisors (2243371548).

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

1637630052 is a wasteful number, since it uses less digits than its factorization.

1637630052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 1637630052 is about 40467.6420365704. The cubic root of 1637630052 is about 1178.7053818351.

The spelling of 1637630052 in words is "one billion, six hundred thirty-seven million, six hundred thirty thousand, fifty-two".