1630552151 has 4 divisors (see below), whose sum is σ = 1632162792. Its totient is φ = 1628941512.

The previous prime is 1630552141. The next prime is 1630552169. The reversal of 1630552151 is 1512550361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1630552151 - 2¹⁰ = 1630551127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630552141) 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 3 ways as a sum of consecutive naturals, for example, 803801 + ... + 805826.

It is an arithmetic number, because the mean of its divisors is an integer number (408040698).

Almost surely, 2^1630552151 is an apocalyptic number.

1630552151 is a deficient number, since it is larger than the sum of its proper divisors (1610641).

1630552151 is a wasteful number, since it uses less digits than its factorization.

1630552151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610640.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1630552151 is about 40380.0959756165. The cubic root of 1630552151 is about 1177.0047925845.

The spelling of 1630552151 in words is "one billion, six hundred thirty million, five hundred fifty-two thousand, one hundred fifty-one".