16161623247770 has 64 divisors (see below), whose sum is σ = 39059139845376. Its totient is φ = 4649897594880.

The previous prime is 16161623247767. The next prime is 16161623247811. The reversal of 16161623247770 is 7774232616161.

It is a happy number.

It is a super-2 number, since 2×16161623247770² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807263879 + ... + 807283898.

It is an arithmetic number, because the mean of its divisors is an integer number (610299060084).

Almost surely, 2^{16161623247770} is an apocalyptic number.

16161623247770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16161623247770 is an abundant number, since it is smaller than the sum of its proper divisors (22897516597606).

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

16161623247770 is a wasteful number, since it uses less digits than its factorization.

16161623247770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614547815.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 16161623247770 in words is "sixteen trillion, one hundred sixty-one billion, six hundred twenty-three million, two hundred forty-seven thousand, seven hundred seventy".