61334550154 has 8 divisors (see below), whose sum is σ = 92081760768. Its totient is φ = 30640629900.

The previous prime is 61334550103. The next prime is 61334550191. The reversal of 61334550154 is 45105543316.

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

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, 13319712 + ... + 13324315.

It is an arithmetic number, because the mean of its divisors is an integer number (11510220096).

Almost surely, 2^61334550154 is an apocalyptic number.

61334550154 is a deficient number, since it is larger than the sum of its proper divisors (30747210614).

61334550154 is a wasteful number, since it uses less digits than its factorization.

61334550154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26645180.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 61334550154 in words is "sixty-one billion, three hundred thirty-four million, five hundred fifty thousand, one hundred fifty-four".