2161377703610 has 16 divisors (see below), whose sum is σ = 3891298828032. Its totient is φ = 864369090000.

The previous prime is 2161377703609. The next prime is 2161377703621. The reversal of 2161377703610 is 163077731612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22699046 + ... + 22794065.

It is an arithmetic number, because the mean of its divisors is an integer number (243206176752).

Almost surely, 2^{2161377703610} is an apocalyptic number.

2161377703610 is a deficient number, since it is larger than the sum of its proper divisors (1729921124422).

2161377703610 is a wasteful number, since it uses less digits than its factorization.

2161377703610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45497869.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 2161377703610 in words is "two trillion, one hundred sixty-one billion, three hundred seventy-seven million, seven hundred three thousand, six hundred ten".