1630656146 has 8 divisors (see below), whose sum is σ = 2795410560. Its totient is φ = 698852628.

The previous prime is 1630656127. The next prime is 1630656151. The reversal of 1630656146 is 6416560361.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 58237706 + ... + 58237733.

It is an arithmetic number, because the mean of its divisors is an integer number (349426320).

Almost surely, 2^1630656146 is an apocalyptic number.

1630656146 is a deficient number, since it is larger than the sum of its proper divisors (1164754414).

1630656146 is a wasteful number, since it uses less digits than its factorization.

1630656146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116475448.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1630656146 is about 40381.3836563335. The cubic root of 1630656146 is about 1177.0298147856.

The spelling of 1630656146 in words is "one billion, six hundred thirty million, six hundred fifty-six thousand, one hundred forty-six".