1650061490 has 64 divisors (see below), whose sum is σ = 3822501888. Its totient is φ = 497707200.

The previous prime is 1650061487. The next prime is 1650061493. The reversal of 1650061490 is 941600561.

It is an interprime number because it is at equal distance from previous prime (1650061487) and next prime (1650061493).

It is not an unprimeable number, because it can be changed into a prime (1650061493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10694 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (59726592).

Almost surely, 2^1650061490 is an apocalyptic number.

1650061490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1650061490 is an abundant number, since it is smaller than the sum of its proper divisors (2172440398).

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

1650061490 is a wasteful number, since it uses less digits than its factorization.

1650061490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69183.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1650061490 is about 40620.9489057063. The cubic root of 1650061490 is about 1181.6804291997.

The spelling of 1650061490 in words is "one billion, six hundred fifty million, sixty-one thousand, four hundred ninety".