1650740070 has 64 divisors (see below), whose sum is σ = 4537322496. Its totient is φ = 376513920.

The previous prime is 1650740033. The next prime is 1650740081. The reversal of 1650740070 is 700470561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94200 + ... + 110340.

It is an arithmetic number, because the mean of its divisors is an integer number (70895664).

Almost surely, 2^1650740070 is an apocalyptic number.

1650740070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650740070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268661248).

1650740070 is an abundant number, since it is smaller than the sum of its proper divisors (2886582426).

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

1650740070 is a wasteful number, since it uses less digits than its factorization.

1650740070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16645.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1650740070 is about 40629.3006339021. The cubic root of 1650740070 is about 1181.8423938325.

The spelling of 1650740070 in words is "one billion, six hundred fifty million, seven hundred forty thousand, seventy".