1662056130723 has 8 divisors (see below), whose sum is σ = 2216082771648. Its totient is φ = 1108033455144.

The previous prime is 1662056130719. The next prime is 1662056130727. The reversal of 1662056130723 is 3270316502661.

It is an interprime number because it is at equal distance from previous prime (1662056130719) and next prime (1662056130727).

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

It is not a de Polignac number, because 1662056130723 - 2² = 1662056130719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1662056130727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186636 + ... + 1832742.

It is an arithmetic number, because the mean of its divisors is an integer number (277010346456).

Almost surely, 2^{1662056130723} is an apocalyptic number.

1662056130723 is a deficient number, since it is larger than the sum of its proper divisors (554026640925).

1662056130723 is a wasteful number, since it uses less digits than its factorization.

1662056130723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982673.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 1662056130723 in words is "one trillion, six hundred sixty-two billion, fifty-six million, one hundred thirty thousand, seven hundred twenty-three".