1618900761954 has 32 divisors (see below), whose sum is σ = 3704227528320. Its totient is φ = 462057708672.

The previous prime is 1618900761953. The next prime is 1618900762007. The reversal of 1618900761954 is 4591670098161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1618900761894 and 1618900761903.

It is not an unprimeable number, because it can be changed into a prime (1618900761953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20183089 + ... + 20263140.

It is an arithmetic number, because the mean of its divisors is an integer number (115757110260).

Almost surely, 2^{1618900761954} is an apocalyptic number.

1618900761954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1618900761954 is an abundant number, since it is smaller than the sum of its proper divisors (2085326766366).

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

1618900761954 is a wasteful number, since it uses less digits than its factorization.

1618900761954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40447194.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 1618900761954 in words is "one trillion, six hundred eighteen billion, nine hundred million, seven hundred sixty-one thousand, nine hundred fifty-four".