186340980954 has 16 divisors (see below), whose sum is σ = 372719698848. Its totient is φ = 62107370832.

The previous prime is 186340980929. The next prime is 186340981003. The reversal of 186340980954 is 459089043681.

It is a super-2 number, since 2×186340980954² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 186340980894 and 186340980903.

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, 1507977 + ... + 1626860.

It is an arithmetic number, because the mean of its divisors is an integer number (23294981178).

Almost surely, 2^186340980954 is an apocalyptic number.

186340980954 is an abundant number, since it is smaller than the sum of its proper divisors (186378717894).

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

186340980954 is a wasteful number, since it uses less digits than its factorization.

186340980954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144749.

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 186340980954 in words is "one hundred eighty-six billion, three hundred forty million, nine hundred eighty thousand, nine hundred fifty-four".