61953088180238 has 16 divisors (see below), whose sum is σ = 95181932020560. Its totient is φ = 30234260745216.

The previous prime is 61953088180213. The next prime is 61953088180253. The reversal of 61953088180238 is 83208188035916.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 2120794931 + ... + 2120824142.

It is an arithmetic number, because the mean of its divisors is an integer number (5948870751285).

Almost surely, 2^{61953088180238} is an apocalyptic number.

61953088180238 is a deficient number, since it is larger than the sum of its proper divisors (33228843840322).

61953088180238 is a wasteful number, since it uses less digits than its factorization.

61953088180238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241619251.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 61953088180238 in words is "sixty-one trillion, nine hundred fifty-three billion, eighty-eight million, one hundred eighty thousand, two hundred thirty-eight".