61507007214 has 32 divisors (see below), whose sum is σ = 129500743680. Its totient is φ = 19421419392.

The previous prime is 61507007203. The next prime is 61507007227. The reversal of 61507007214 is 41270070516.

It is a super-2 number, since 2×61507007214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667014 + ... + 1703510.

It is an arithmetic number, because the mean of its divisors is an integer number (4046898240).

Almost surely, 2^61507007214 is an apocalyptic number.

61507007214 is an abundant number, since it is smaller than the sum of its proper divisors (67993736466).

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

61507007214 is a wasteful number, since it uses less digits than its factorization.

61507007214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51304.

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 61507007214 in words is "sixty-one billion, five hundred seven million, seven thousand, two hundred fourteen".