2161625540234 has 8 divisors (see below), whose sum is σ = 3254766973920. Its totient is φ = 1076703215596.

The previous prime is 2161625540219. The next prime is 2161625540267. The reversal of 2161625540234 is 4320455261612.

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

It is a junction number, because it is equal to n+sod(n) for n = 2161625540191 and 2161625540200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054776604 + ... + 2054777655.

It is an arithmetic number, because the mean of its divisors is an integer number (406845871740).

Almost surely, 2^{2161625540234} is an apocalyptic number.

2161625540234 is a deficient number, since it is larger than the sum of its proper divisors (1093141433686).

2161625540234 is a wasteful number, since it uses less digits than its factorization.

2161625540234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109554524.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2161625540234 in words is "two trillion, one hundred sixty-one billion, six hundred twenty-five million, five hundred forty thousand, two hundred thirty-four".