1641008077 has 8 divisors (see below), whose sum is σ = 1660651200. Its totient is φ = 1621391904.

The previous prime is 1641008069. The next prime is 1641008107. The reversal of 1641008077 is 7708001461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1641008077 - 2³ = 1641008069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641008977) 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 7 ways as a sum of consecutive naturals, for example, 132838 + ... + 144664.

It is an arithmetic number, because the mean of its divisors is an integer number (207581400).

Almost surely, 2^1641008077 is an apocalyptic number.

It is an amenable number.

1641008077 is a deficient number, since it is larger than the sum of its proper divisors (19643123).

1641008077 is a wasteful number, since it uses less digits than its factorization.

1641008077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13475.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1641008077 is about 40509.3578941953. The cubic root of 1641008077 is about 1179.5152842558.

The spelling of 1641008077 in words is "one billion, six hundred forty-one million, eight thousand, seventy-seven".