1641797410 has 32 divisors (see below), whose sum is σ = 3393576000. Its totient is φ = 565594560.

The previous prime is 1641797393. The next prime is 1641797419. The reversal of 1641797410 is 147971461.

It is a super-7 number, since 7×1641797410⁷ (a number of 66 digits) contains 7777777 as substring.

It is not an unprimeable number, because it can be changed into a prime (1641797419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390685 + ... + 394864.

It is an arithmetic number, because the mean of its divisors is an integer number (106049250).

Almost surely, 2^1641797410 is an apocalyptic number.

1641797410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641797410 is an abundant number, since it is smaller than the sum of its proper divisors (1751778590).

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

1641797410 is a wasteful number, since it uses less digits than its factorization.

1641797410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785586.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1641797410 is about 40519.0993236523. The cubic root of 1641797410 is about 1179.7043715032.

The spelling of 1641797410 in words is "one billion, six hundred forty-one million, seven hundred ninety-seven thousand, four hundred ten".