1000061650 has 24 divisors (see below), whose sum is σ = 2125846080. Its totient is φ = 342878160.

The previous prime is 1000061617. The next prime is 1000061653. The reversal of 1000061650 is 561600001.

It is not an unprimeable number, because it can be changed into a prime (1000061653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428310 + ... + 1429009.

It is an arithmetic number, because the mean of its divisors is an integer number (88576920).

Almost surely, 2^1000061650 is an apocalyptic number.

1000061650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000061650 is an abundant number, since it is smaller than the sum of its proper divisors (1125784430).

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

1000061650 is a wasteful number, since it uses less digits than its factorization.

1000061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857338 (or 2857333 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1000061650 is about 31623.7513587493. The cubic root of 1000061650 is about 1000.0205495777.

Adding to 1000061650 its reverse (561600001), we get a palindrome (1561661651).

The spelling of 1000061650 in words is "one billion, sixty-one thousand, six hundred fifty".