65146630 has 32 divisors (see below), whose sum is σ = 124128000. Its totient is φ = 24548832.

The previous prime is 65146621. The next prime is 65146633. The reversal of 65146630 is 3664156.

It is a junction number, because it is equal to n+sod(n) for n = 65146592 and 65146601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65146633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36949 + ... + 38671.

It is an arithmetic number, because the mean of its divisors is an integer number (3879000).

Almost surely, 2^65146630 is an apocalyptic number.

65146630 is a deficient number, since it is larger than the sum of its proper divisors (58981370).

65146630 is a wasteful number, since it uses less digits than its factorization.

65146630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 65146630 is about 8071.3462321970. The cubic root of 65146630 is about 402.3746867587.

The spelling of 65146630 in words is "sixty-five million, one hundred forty-six thousand, six hundred thirty".