102078161754 has 16 divisors (see below), whose sum is σ = 208500075648. Its totient is φ = 33302095232.

The previous prime is 102078161753. The next prime is 102078161761. The reversal of 102078161754 is 457161870201.

It is a super-2 number, since 2×102078161754² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102078161753) 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, 180989367 + ... + 180989930.

It is an arithmetic number, because the mean of its divisors is an integer number (13031254728).

Almost surely, 2^102078161754 is an apocalyptic number.

102078161754 is an abundant number, since it is smaller than the sum of its proper divisors (106421913894).

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

102078161754 is a wasteful number, since it uses less digits than its factorization.

102078161754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361979349.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 102078161754 in words is "one hundred two billion, seventy-eight million, one hundred sixty-one thousand, seven hundred fifty-four".