2061430660 has 48 divisors (see below), whose sum is σ = 4521597696. Its totient is φ = 787957632.

The previous prime is 2061430633. The next prime is 2061430663. The reversal of 2061430660 is 660341602.

It is a super-3 number, since 3×2061430660³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2061430663) 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, 777457 + ... + 780103.

It is an arithmetic number, because the mean of its divisors is an integer number (94199952).

Almost surely, 2^2061430660 is an apocalyptic number.

2061430660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061430660 is an abundant number, since it is smaller than the sum of its proper divisors (2460167036).

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

2061430660 is a wasteful number, since it uses less digits than its factorization.

2061430660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4370 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2061430660 is about 45402.9807391541. The cubic root of 2061430660 is about 1272.6908165903.

The spelling of 2061430660 in words is "two billion, sixty-one million, four hundred thirty thousand, six hundred sixty".