1630142572 has 12 divisors (see below), whose sum is σ = 2976782256. Its totient is φ = 779633360.

The previous prime is 1630142551. The next prime is 1630142603. The reversal of 1630142572 is 2752410361.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859379 + ... + 8859562.

It is an arithmetic number, because the mean of its divisors is an integer number (248065188).

Almost surely, 2^1630142572 is an apocalyptic number.

It is an amenable number.

1630142572 is a deficient number, since it is larger than the sum of its proper divisors (1346639684).

1630142572 is a wasteful number, since it uses less digits than its factorization.

1630142572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718968 (or 17718966 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1630142572 is about 40375.0241114479. The cubic root of 1630142572 is about 1176.9062335748.

The spelling of 1630142572 in words is "one billion, six hundred thirty million, one hundred forty-two thousand, five hundred seventy-two".